3970890512 has 20 divisors (see below), whose sum is σ = 7761688860. Its totient is φ = 1967874048.

The previous prime is 3970890491. The next prime is 3970890527. The reversal of 3970890512 is 2150980793.

It can be written as a sum of positive squares in 2 ways, for example, as 632824336 + 3338066176 = 25156^2 + 57776^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

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, 1096337 + ... + 1099952.

It is an arithmetic number, because the mean of its divisors is an integer number (388084443).

Almost surely, 2^3970890512 is an apocalyptic number.

It is an amenable number.

3970890512 is a deficient number, since it is larger than the sum of its proper divisors (3790798348).

3970890512 is a wasteful number, since it uses less digits than its factorization.

3970890512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196410 (or 2196404 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 3970890512 is about 63015.0022772355. The cubic root of 3970890512 is about 1583.5409703638.

The spelling of 3970890512 in words is "three billion, nine hundred seventy million, eight hundred ninety thousand, five hundred twelve".