394331124 has 48 divisors (see below), whose sum is σ = 1006568640. Its totient is φ = 119159040.

The previous prime is 394331117. The next prime is 394331207. The reversal of 394331124 is 421133493.

It is a junction number, because it is equal to n+sod(n) for n = 394331091 and 394331100.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 45232 + ... + 53240.

It is an arithmetic number, because the mean of its divisors is an integer number (20970180).

Almost surely, 2^394331124 is an apocalyptic number.

It is an amenable number.

394331124 is an abundant number, since it is smaller than the sum of its proper divisors (612237516).

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

394331124 is a wasteful number, since it uses less digits than its factorization.

394331124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8400 (or 8398 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 394331124 is about 19857.7723826214. The cubic root of 394331124 is about 733.3090062637.

The spelling of 394331124 in words is "three hundred ninety-four million, three hundred thirty-one thousand, one hundred twenty-four".