397309364790 has 32 divisors (see below), whose sum is σ = 1026891897696. Its totient is φ = 97799228160.

The previous prime is 397309364759. The next prime is 397309364869. The reversal of 397309364790 is 97463903793.

397309364790 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509370591 + ... + 509371370.

It is an arithmetic number, because the mean of its divisors is an integer number (32090371803).

Almost surely, 2^397309364790 is an apocalyptic number.

397309364790 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

397309364790 is an abundant number, since it is smaller than the sum of its proper divisors (629582532906).

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

397309364790 is a wasteful number, since it uses less digits than its factorization.

397309364790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018741984.

The product of its (nonzero) digits is 23147208, while the sum is 60.

The spelling of 397309364790 in words is "three hundred ninety-seven billion, three hundred nine million, three hundred sixty-four thousand, seven hundred ninety".