396367311685 has 16 divisors (see below), whose sum is σ = 476356204800. Its totient is φ = 316617100096.

The previous prime is 396367311649. The next prime is 396367311707. The reversal of 396367311685 is 586113763693.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 396367311685 - 2²¹ = 396365214533 is a prime.

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, 20070546 + ... + 20090284.

It is an arithmetic number, because the mean of its divisors is an integer number (29772262800).

Almost surely, 2^396367311685 is an apocalyptic number.

It is an amenable number.

396367311685 is a deficient number, since it is larger than the sum of its proper divisors (79988893115).

396367311685 is a wasteful number, since it uses less digits than its factorization.

396367311685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25580.

The product of its digits is 14696640, while the sum is 58.

The spelling of 396367311685 in words is "three hundred ninety-six billion, three hundred sixty-seven million, three hundred eleven thousand, six hundred eighty-five".