394894860 has 48 divisors (see below), whose sum is σ = 1163904000. Its totient is φ = 99762624.

The previous prime is 394894837. The next prime is 394894873. The reversal of 394894860 is 68498493.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172060 + ... + 174339.

It is an arithmetic number, because the mean of its divisors is an integer number (24248000).

Almost surely, 2^394894860 is an apocalyptic number.

394894860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

394894860 is an abundant number, since it is smaller than the sum of its proper divisors (769009140).

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

394894860 is a wasteful number, since it uses less digits than its factorization.

394894860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346430 (or 346428 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 394894860 is about 19871.9616545524. The cubic root of 394894860 is about 733.6582861976.

The spelling of 394894860 in words is "three hundred ninety-four million, eight hundred ninety-four thousand, eight hundred sixty".