394212264 has 64 divisors (see below), whose sum is σ = 1004505600. Its totient is φ = 128894976.

The previous prime is 394212263. The next prime is 394212281. The reversal of 394212264 is 462212493.

It is not an unprimeable number, because it can be changed into a prime (394212263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390192 + ... + 391200.

It is an arithmetic number, because the mean of its divisors is an integer number (15695400).

Almost surely, 2^394212264 is an apocalyptic number.

It is an amenable number.

394212264 is an abundant number, since it is smaller than the sum of its proper divisors (610293336).

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

394212264 is a wasteful number, since it uses less digits than its factorization.

394212264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314 (or 1310 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 394212264 is about 19854.7793742464. The cubic root of 394212264 is about 733.2353204178.

The spelling of 394212264 in words is "three hundred ninety-four million, two hundred twelve thousand, two hundred sixty-four".