394054020 has 72 divisors (see below), whose sum is σ = 1233872640. Its totient is φ = 101689920.

The previous prime is 394054013. The next prime is 394054043. The reversal of 394054020 is 20450493.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29730 + ... + 40889.

It is an arithmetic number, because the mean of its divisors is an integer number (17137120).

Almost surely, 2^394054020 is an apocalyptic number.

394054020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

394054020 is an abundant number, since it is smaller than the sum of its proper divisors (839818620).

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

394054020 is a wasteful number, since it uses less digits than its factorization.

394054020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70665 (or 70660 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 394054020 is about 19850.7939387824. The cubic root of 394054020 is about 733.1371959388.

The spelling of 394054020 in words is "three hundred ninety-four million, fifty-four thousand, twenty".