39790812 has 24 divisors (see below), whose sum is σ = 98307216. Its totient is φ = 12483328.

The previous prime is 39790771. The next prime is 39790823. The reversal of 39790812 is 21809793.

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, 97323 + ... + 97730.

It is an arithmetic number, because the mean of its divisors is an integer number (4096134).

Almost surely, 2^39790812 is an apocalyptic number.

It is an amenable number.

39790812 is an abundant number, since it is smaller than the sum of its proper divisors (58516404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39790812 is a wasteful number, since it uses less digits than its factorization.

39790812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195077 (or 195075 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 39790812 is about 6307.9958782485. The cubic root of 39790812 is about 341.3979696150.

The spelling of 39790812 in words is "thirty-nine million, seven hundred ninety thousand, eight hundred twelve".