3915656 has 8 divisors (see below), whose sum is σ = 7341870. Its totient is φ = 1957824.

The previous prime is 3915631. The next prime is 3915683. The reversal of 3915656 is 6565193.

It can be written as a sum of positive squares in only one way, i.e., 2353156 + 1562500 = 1534^2 + 1250^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244721 + ... + 244736.

Almost surely, 2^3915656 is an apocalyptic number.

It is an amenable number.

3915656 is a deficient number, since it is larger than the sum of its proper divisors (3426214).

3915656 is a wasteful number, since it uses less digits than its factorization.

3915656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489463 (or 489459 counting only the distinct ones).

The product of its digits is 24300, while the sum is 35.

The square root of 3915656 is about 1978.8016575696. The cubic root of 3915656 is about 157.6164386299.

The spelling of 3915656 in words is "three million, nine hundred fifteen thousand, six hundred fifty-six".