3937489256 has 16 divisors (see below), whose sum is σ = 7387740000. Its totient is φ = 1967425264.

The previous prime is 3937489223. The next prime is 3937489291. The reversal of 3937489256 is 6529847393.

It is a super-2 number, since 2×3937489256² = 31007643282230867072, which contains 22 as substring.

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, 152180 + ... + 176163.

It is an arithmetic number, because the mean of its divisors is an integer number (461733750).

Almost surely, 2^3937489256 is an apocalyptic number.

It is an amenable number.

3937489256 is a deficient number, since it is larger than the sum of its proper divisors (3450250744).

3937489256 is a wasteful number, since it uses less digits than its factorization.

3937489256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329848 (or 329844 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 56.

The square root of 3937489256 is about 62749.4163797561. The cubic root of 3937489256 is about 1579.0884631595.

The spelling of 3937489256 in words is "three billion, nine hundred thirty-seven million, four hundred eighty-nine thousand, two hundred fifty-six".