396620671137 has 8 divisors (see below), whose sum is σ = 528847631520. Its totient is φ = 264403745760.

The previous prime is 396620671123. The next prime is 396620671157. The reversal of 396620671137 is 731176026693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 396620671137 - 2¹⁵ = 396620638369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 396620671137.

It is not an unprimeable number, because it can be changed into a prime (396620671157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2416039 + ... + 2574972.

It is an arithmetic number, because the mean of its divisors is an integer number (66105953940).

Almost surely, 2^396620671137 is an apocalyptic number.

It is an amenable number.

396620671137 is a deficient number, since it is larger than the sum of its proper divisors (132226960383).

396620671137 is a wasteful number, since it uses less digits than its factorization.

396620671137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5017503.

The product of its (nonzero) digits is 1714608, while the sum is 51.

The spelling of 396620671137 in words is "three hundred ninety-six billion, six hundred twenty million, six hundred seventy-one thousand, one hundred thirty-seven".