3428856 has 24 divisors (see below), whose sum is σ = 9286680. Its totient is φ = 1142928.

The previous prime is 3428851. The next prime is 3428861. The reversal of 3428856 is 6588243.

3428856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3428851) and next prime (3428861).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 3³ + 4¹⁰ + 2⁵ + 8 + 8⁷ + 5⁵ + 6⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 3428856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3428851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23740 + ... + 23883.

It is an arithmetic number, because the mean of its divisors is an integer number (386945).

Almost surely, 2^3428856 is an apocalyptic number.

3428856 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3428856 is an abundant number, since it is smaller than the sum of its proper divisors (5857824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3428856 is a wasteful number, since it uses less digits than its factorization.

3428856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47635 (or 47628 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 3428856 is about 1851.7170410190. The cubic root of 3428856 is about 150.7936599529.

The spelling of 3428856 in words is "three million, four hundred twenty-eight thousand, eight hundred fifty-six".