397213236244 has 24 divisors (see below), whose sum is σ = 774450569088. Its totient is φ = 176709949440.

The previous prime is 397213236221. The next prime is 397213236269. The reversal of 397213236244 is 442632312793.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 397213236194 and 397213236203.

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, 96035949 + ... + 96040084.

It is an arithmetic number, because the mean of its divisors is an integer number (32268773712).

Almost surely, 2^397213236244 is an apocalyptic number.

It is an amenable number.

397213236244 is a deficient number, since it is larger than the sum of its proper divisors (377237332844).

397213236244 is a wasteful number, since it uses less digits than its factorization.

397213236244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192076095 (or 192076093 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 46.

The spelling of 397213236244 in words is "three hundred ninety-seven billion, two hundred thirteen million, two hundred thirty-six thousand, two hundred forty-four".