394801860 has 24 divisors (see below), whose sum is σ = 1105445376. Its totient is φ = 105280480.

The previous prime is 394801837. The next prime is 394801921. The reversal of 394801860 is 68108493.

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, 3289956 + ... + 3290075.

It is an arithmetic number, because the mean of its divisors is an integer number (46060224).

Almost surely, 2^394801860 is an apocalyptic number.

394801860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

394801860 is an abundant number, since it is smaller than the sum of its proper divisors (710643516).

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

394801860 is a wasteful number, since it uses less digits than its factorization.

394801860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6580043 (or 6580041 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 394801860 is about 19869.6215364058. The cubic root of 394801860 is about 733.6006881005.

The spelling of 394801860 in words is "three hundred ninety-four million, eight hundred one thousand, eight hundred sixty".