3928976 has 10 divisors (see below), whose sum is σ = 7612422. Its totient is φ = 1964480.

The previous prime is 3928973. The next prime is 3928979. The reversal of 3928976 is 6798293.

It is an interprime number because it is at equal distance from previous prime (3928973) and next prime (3928979).

It can be written as a sum of positive squares in only one way, i.e., 3519376 + 409600 = 1876^2 + 640^2 .

It is not an unprimeable number, because it can be changed into a prime (3928973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122765 + ... + 122796.

Almost surely, 2^3928976 is an apocalyptic number.

It is an amenable number.

3928976 is a deficient number, since it is larger than the sum of its proper divisors (3683446).

3928976 is a wasteful number, since it uses less digits than its factorization.

3928976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245569 (or 245563 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 3928976 is about 1982.1644734986. The cubic root of 3928976 is about 157.7949591523.

The spelling of 3928976 in words is "three million, nine hundred twenty-eight thousand, nine hundred seventy-six".