396321622390 has 32 divisors (see below), whose sum is σ = 717615140256. Its totient is φ = 157587555840.

The previous prime is 396321622379. The next prime is 396321622391. The reversal of 396321622390 is 93226123693.

It is a self number, because there is not a number n which added to its sum of digits gives 396321622390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396321622391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14298445 + ... + 14326135.

It is an arithmetic number, because the mean of its divisors is an integer number (22425473133).

Almost surely, 2^396321622390 is an apocalyptic number.

396321622390 is a deficient number, since it is larger than the sum of its proper divisors (321293517866).

396321622390 is a wasteful number, since it uses less digits than its factorization.

396321622390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36144.

The product of its (nonzero) digits is 629856, while the sum is 46.

The spelling of 396321622390 in words is "three hundred ninety-six billion, three hundred twenty-one million, six hundred twenty-two thousand, three hundred ninety".