3970028 has 12 divisors (see below), whose sum is σ = 6991320. Its totient is φ = 1972512.

The previous prime is 3970009. The next prime is 3970033. The reversal of 3970028 is 8200793.

It is a super-2 number, since 2×3970028² = 31522244641568, which contains 22 as substring.

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, 2393 + ... + 3696.

It is an arithmetic number, because the mean of its divisors is an integer number (582610).

Almost surely, 2^3970028 is an apocalyptic number.

It is an amenable number.

3970028 is a deficient number, since it is larger than the sum of its proper divisors (3021292).

3970028 is a wasteful number, since it uses less digits than its factorization.

3970028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6256 (or 6254 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 3970028 is about 1992.4929109033. The cubic root of 3970028 is about 158.3426309099.

The spelling of 3970028 in words is "three million, nine hundred seventy thousand, twenty-eight".