394435264 has 56 divisors (see below), whose sum is σ = 814181760. Its totient is φ = 189364224.

The previous prime is 394435219. The next prime is 394435291. The reversal of 394435264 is 462534493.

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, 413412 + ... + 414364.

It is an arithmetic number, because the mean of its divisors is an integer number (14538960).

Almost surely, 2^394435264 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 394435264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407090880).

394435264 is an abundant number, since it is smaller than the sum of its proper divisors (419746496).

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

394435264 is a wasteful number, since it uses less digits than its factorization.

394435264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217 (or 1207 counting only the distinct ones).

The product of its digits is 311040, while the sum is 40.

The square root of 394435264 is about 19860.3943566083. The cubic root of 394435264 is about 733.3735544514.

The spelling of 394435264 in words is "three hundred ninety-four million, four hundred thirty-five thousand, two hundred sixty-four".