394697212 has 24 divisors (see below), whose sum is σ = 850117856. Its totient is φ = 156143808.

The previous prime is 394697209. The next prime is 394697231. The reversal of 394697212 is 212796493.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541803 + ... + 542530.

Almost surely, 2^394697212 is an apocalyptic number.

It is an amenable number.

394697212 is an abundant number, since it is smaller than the sum of its proper divisors (455420644).

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

394697212 is a wasteful number, since it uses less digits than its factorization.

394697212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084357 (or 1084355 counting only the distinct ones).

The product of its digits is 163296, while the sum is 43.

The square root of 394697212 is about 19866.9879951642. The cubic root of 394697212 is about 733.5358651799.

The spelling of 394697212 in words is "three hundred ninety-four million, six hundred ninety-seven thousand, two hundred twelve".