397618692088252 has 12 divisors (see below), whose sum is σ = 695859208147656. Its totient is φ = 198801775474640.

The previous prime is 397618692088207. The next prime is 397618692088273. The reversal of 397618692088252 is 252880296816793.

It is a congruent number.

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, 1892524198 + ... + 1892734285.

It is an arithmetic number, because the mean of its divisors is an integer number (57988267345638).

Almost surely, 2^{397618692088252} is an apocalyptic number.

It is an amenable number.

397618692088252 is a deficient number, since it is larger than the sum of its proper divisors (298240516059404).

397618692088252 is a wasteful number, since it uses less digits than its factorization.

397618692088252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3785284748 (or 3785284746 counting only the distinct ones).

The product of its (nonzero) digits is 1254113280, while the sum is 76.

The spelling of 397618692088252 in words is "three hundred ninety-seven trillion, six hundred eighteen billion, six hundred ninety-two million, eighty-eight thousand, two hundred fifty-two".