396785714644 has 24 divisors (see below), whose sum is σ = 762147253728. Its totient is φ = 179250654240.

The previous prime is 396785714641. The next prime is 396785714659. The reversal of 396785714644 is 446417587693.

It is a super-3 number, since 3×396785714644³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396785714641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27654967 + ... + 27669310.

It is an arithmetic number, because the mean of its divisors is an integer number (31756135572).

Almost surely, 2^396785714644 is an apocalyptic number.

It is an amenable number.

396785714644 is a deficient number, since it is larger than the sum of its proper divisors (365361539084).

396785714644 is a wasteful number, since it uses less digits than its factorization.

396785714644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55324455 (or 55324453 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 64.

The spelling of 396785714644 in words is "three hundred ninety-six billion, seven hundred eighty-five million, seven hundred fourteen thousand, six hundred forty-four".