3904976 has 20 divisors (see below), whose sum is σ = 7691844. Its totient is φ = 1920000.

The previous prime is 3904973. The next prime is 3904981. The reversal of 3904976 is 6794093.

It can be written as a sum of positive squares in 2 ways, for example, as 141376 + 3763600 = 376^2 + 1940^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3904973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1025 + ... + 2976.

Almost surely, 2^3904976 is an apocalyptic number.

It is an amenable number.

3904976 is a deficient number, since it is larger than the sum of its proper divisors (3786868).

3904976 is a wasteful number, since it uses less digits than its factorization.

3904976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070 (or 4064 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 3904976 is about 1976.1012119828. The cubic root of 3904976 is about 157.4730078880.

It can be divided in two parts, 3904 and 976, that multiplied together give a square (3810304 = 1952²).

The spelling of 3904976 in words is "three million, nine hundred four thousand, nine hundred seventy-six".