394637396192 has 48 divisors (see below), whose sum is σ = 846788055120. Its totient is φ = 179945859072.

The previous prime is 394637396159. The next prime is 394637396261. The reversal of 394637396192 is 291693736493.

It is a super-2 number, since 2×394637396192² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5680217 + ... + 5749272.

It is an arithmetic number, because the mean of its divisors is an integer number (17641417815).

Almost surely, 2^394637396192 is an apocalyptic number.

394637396192 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

394637396192 is an abundant number, since it is smaller than the sum of its proper divisors (452150658928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

394637396192 is a wasteful number, since it uses less digits than its factorization.

394637396192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11429595 (or 11429587 counting only the distinct ones).

The product of its digits is 39680928, while the sum is 62.

The spelling of 394637396192 in words is "three hundred ninety-four billion, six hundred thirty-seven million, three hundred ninety-six thousand, one hundred ninety-two".