3487656 has 32 divisors (see below), whose sum is σ = 9021600. Its totient is φ = 1122240.

The previous prime is 3487639. The next prime is 3487661. The reversal of 3487656 is 6567843.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1810 + ... + 3201.

It is an arithmetic number, because the mean of its divisors is an integer number (281925).

Almost surely, 2^3487656 is an apocalyptic number.

It is an amenable number.

3487656 is an abundant number, since it is smaller than the sum of its proper divisors (5533944).

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

3487656 is a wasteful number, since it uses less digits than its factorization.

3487656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5049 (or 5045 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 3487656 is about 1867.5267066363. The cubic root of 3487656 is about 151.6507447494.

The spelling of 3487656 in words is "three million, four hundred eighty-seven thousand, six hundred fifty-six".