394135264 has 12 divisors (see below), whose sum is σ = 775953864. Its totient is φ = 197067616.

The previous prime is 394135253. The next prime is 394135309. The reversal of 394135264 is 462531493.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6158332 + ... + 6158395.

It is an arithmetic number, because the mean of its divisors is an integer number (64662822).

Almost surely, 2^394135264 is an apocalyptic number.

It is an amenable number.

394135264 is a deficient number, since it is larger than the sum of its proper divisors (381818600).

394135264 is a wasteful number, since it uses less digits than its factorization.

394135264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12316737 (or 12316729 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 394135264 is about 19852.8401998304. The cubic root of 394135264 is about 733.1875772760.

The spelling of 394135264 in words is "three hundred ninety-four million, one hundred thirty-five thousand, two hundred sixty-four".