3428887 has 8 divisors (see below), whose sum is σ = 4275072. Its totient is φ = 2671800.

The previous prime is 3428869. The next prime is 3428891. The reversal of 3428887 is 7888243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3428887 - 2¹⁹ = 2904599 is a prime.

It is a super-3 number, since 3×3428887³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3428807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22189 + ... + 22342.

It is an arithmetic number, because the mean of its divisors is an integer number (534384).

Almost surely, 2^3428887 is an apocalyptic number.

3428887 is a deficient number, since it is larger than the sum of its proper divisors (846185).

3428887 is a wasteful number, since it uses less digits than its factorization.

3428887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44549.

The product of its digits is 86016, while the sum is 40.

The square root of 3428887 is about 1851.7254116094. The cubic root of 3428887 is about 150.7941143892.

It can be divided in two parts, 342 and 8887, that added together give a palindrome (9229).

The spelling of 3428887 in words is "three million, four hundred twenty-eight thousand, eight hundred eighty-seven".