394013700 has 72 divisors (see below), whose sum is σ = 1266689760. Its totient is φ = 105069600.

The previous prime is 394013693. The next prime is 394013707. The reversal of 394013700 is 7310493.

It is an interprime number because it is at equal distance from previous prime (394013693) and next prime (394013707).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (394013707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70266 + ... + 75665.

Almost surely, 2^394013700 is an apocalyptic number.

394013700 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

394013700 is an abundant number, since it is smaller than the sum of its proper divisors (872676060).

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

394013700 is a wasteful number, since it uses less digits than its factorization.

394013700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145954 (or 145941 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 394013700 is about 19849.7783362938. The cubic root of 394013700 is about 733.1121899764.

The spelling of 394013700 in words is "three hundred ninety-four million, thirteen thousand, seven hundred".