3970023028 has 12 divisors (see below), whose sum is σ = 6950890240. Its totient is φ = 1984054392.

The previous prime is 3970023019. The next prime is 3970023041. The reversal of 3970023028 is 8203200793.

It is a super-2 number, since 2×3970023028² = 31522165685700577568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3970022984 and 3970023002.

It is a congruent number.

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, 229908 + ... + 246571.

Almost surely, 2^3970023028 is an apocalyptic number.

It is an amenable number.

3970023028 is a deficient number, since it is larger than the sum of its proper divisors (2980867212).

3970023028 is a wasteful number, since it uses less digits than its factorization.

3970023028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478566 (or 478564 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 3970023028 is about 63008.1187467139. The cubic root of 3970023028 is about 1583.4256480789.

The spelling of 3970023028 in words is "three billion, nine hundred seventy million, twenty-three thousand, twenty-eight".