3456856 has 32 divisors (see below), whose sum is σ = 7151760. Its totient is φ = 1556352.

The previous prime is 3456847. The next prime is 3456863. The reversal of 3456856 is 6586543.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4086 + ... + 4858.

Almost surely, 2^3456856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3456856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3575880).

3456856 is an abundant number, since it is smaller than the sum of its proper divisors (3694904).

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

3456856 is a wasteful number, since it uses less digits than its factorization.

3456856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835 (or 831 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 3456856 is about 1859.2622192687. The cubic root of 3456856 is about 151.2030075081.

The spelling of 3456856 in words is "three million, four hundred fifty-six thousand, eight hundred fifty-six".