397213236246 has 32 divisors (see below), whose sum is σ = 816754232448. Its totient is φ = 128712306240.

The previous prime is 397213236221. The next prime is 397213236269. The reversal of 397213236246 is 642632312793.

It is a junction number, because it is equal to n+sod(n) for n = 397213236195 and 397213236204.

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, 3593871 + ... + 3702746.

It is an arithmetic number, because the mean of its divisors is an integer number (25523569764).

Almost surely, 2^397213236246 is an apocalyptic number.

397213236246 is an abundant number, since it is smaller than the sum of its proper divisors (419540996202).

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

397213236246 is a wasteful number, since it uses less digits than its factorization.

397213236246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7296876.

The product of its digits is 1959552, while the sum is 48.

The spelling of 397213236246 in words is "three hundred ninety-seven billion, two hundred thirteen million, two hundred thirty-six thousand, two hundred forty-six".