3977256 has 16 divisors (see below), whose sum is σ = 9943200. Its totient is φ = 1325744.

The previous prime is 3977243. The next prime is 3977273. The reversal of 3977256 is 6527793.

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, 82836 + ... + 82883.

It is an arithmetic number, because the mean of its divisors is an integer number (621450).

Almost surely, 2^3977256 is an apocalyptic number.

It is an amenable number.

3977256 is an abundant number, since it is smaller than the sum of its proper divisors (5965944).

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

3977256 is a wasteful number, since it uses less digits than its factorization.

3977256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165728 (or 165724 counting only the distinct ones).

The product of its digits is 79380, while the sum is 39.

The square root of 3977256 is about 1994.3058942900. The cubic root of 3977256 is about 158.4386677357.

The spelling of 3977256 in words is "three million, nine hundred seventy-seven thousand, two hundred fifty-six".