394968512 has 56 divisors (see below), whose sum is σ = 822960000. Its totient is φ = 187717376.

The previous prime is 394968499. The next prime is 394968521. The reversal of 394968512 is 215869493.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

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, 262739 + ... + 264237.

Almost surely, 2^394968512 is an apocalyptic number.

394968512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394968512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411480000).

394968512 is an abundant number, since it is smaller than the sum of its proper divisors (427991488).

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

394968512 is a wasteful number, since it uses less digits than its factorization.

394968512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713 (or 1703 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 394968512 is about 19873.8147319532. The cubic root of 394968512 is about 733.7038949968.

The spelling of 394968512 in words is "three hundred ninety-four million, nine hundred sixty-eight thousand, five hundred twelve".