3976628 has 12 divisors (see below), whose sum is σ = 6973092. Its totient is φ = 1984320.

The previous prime is 3976619. The next prime is 3976633. The reversal of 3976628 is 8266793.

It can be written as a sum of positive squares in 2 ways, for example, as 1227664 + 2748964 = 1108^2 + 1658^2 .

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 3218 + ... + 4278.

It is an arithmetic number, because the mean of its divisors is an integer number (581091).

Almost surely, 2^3976628 is an apocalyptic number.

It is an amenable number.

3976628 is a deficient number, since it is larger than the sum of its proper divisors (2996464).

3976628 is a wasteful number, since it uses less digits than its factorization.

3976628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002 (or 2000 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 3976628 is about 1994.1484398108. The cubic root of 3976628 is about 158.4303282573.

It can be divided in two parts, 39 and 76628, that added together give a palindrome (76667).

The spelling of 3976628 in words is "three million, nine hundred seventy-six thousand, six hundred twenty-eight".