3970475990 has 16 divisors (see below), whose sum is σ = 7696615248. Its totient is φ = 1466021856.

The previous prime is 3970475963. The next prime is 3970476023. The reversal of 3970475990 is 995740793.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15270932 + ... + 15271191.

It is an arithmetic number, because the mean of its divisors is an integer number (481038453).

Almost surely, 2^3970475990 is an apocalyptic number.

3970475990 is a deficient number, since it is larger than the sum of its proper divisors (3726139258).

3970475990 is a wasteful number, since it uses less digits than its factorization.

3970475990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30542143.

The product of its (nonzero) digits is 2143260, while the sum is 53.

The square root of 3970475990 is about 63011.7131174832. The cubic root of 3970475990 is about 1583.4858664007.

The spelling of 3970475990 in words is "three billion, nine hundred seventy million, four hundred seventy-five thousand, nine hundred ninety".