394532704 has 48 divisors (see below), whose sum is σ = 806818320. Its totient is φ = 189683200.

The previous prime is 394532693. The next prime is 394532771. The reversal of 394532704 is 407235493.

It is a congruent number.

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, 271179 + ... + 272629.

It is an arithmetic number, because the mean of its divisors is an integer number (16808715).

Almost surely, 2^394532704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394532704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403409160).

394532704 is an abundant number, since it is smaller than the sum of its proper divisors (412285616).

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

394532704 is a wasteful number, since it uses less digits than its factorization.

394532704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783 (or 1775 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 394532704 is about 19862.8473286183. The cubic root of 394532704 is about 733.4339395489.

The spelling of 394532704 in words is "three hundred ninety-four million, five hundred thirty-two thousand, seven hundred four".