394864600 has 48 divisors (see below), whose sum is σ = 988686720. Its totient is φ = 145795200.

The previous prime is 394864597. The next prime is 394864607. The reversal of 394864600 is 6468493.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394864607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73336 + ... + 78535.

It is an arithmetic number, because the mean of its divisors is an integer number (20597640).

Almost surely, 2^394864600 is an apocalyptic number.

It is an amenable number.

394864600 is an abundant number, since it is smaller than the sum of its proper divisors (593822120).

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

394864600 is a wasteful number, since it uses less digits than its factorization.

394864600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151900 (or 151891 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 394864600 is about 19871.2002657112. The cubic root of 394864600 is about 733.6395461320.

The spelling of 394864600 in words is "three hundred ninety-four million, eight hundred sixty-four thousand, six hundred".