3438656 has 28 divisors (see below), whose sum is σ = 7350252. Its totient is φ = 1586688.

The previous prime is 3438649. The next prime is 3438671. The reversal of 3438656 is 6568343.

It can be written as a sum of positive squares in 2 ways, for example, as 1478656 + 1960000 = 1216^2 + 1400^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1235 + ... + 2898.

It is an arithmetic number, because the mean of its divisors is an integer number (262509).

Almost surely, 2^3438656 is an apocalyptic number.

It is an amenable number.

3438656 is an abundant number, since it is smaller than the sum of its proper divisors (3911596).

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

3438656 is a wasteful number, since it uses less digits than its factorization.

3438656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4158 (or 4148 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 3438656 is about 1854.3613455851. The cubic root of 3438656 is about 150.9371842286.

The spelling of 3438656 in words is "three million, four hundred thirty-eight thousand, six hundred fifty-six".