394653912 has 32 divisors (see below), whose sum is σ = 1044673200. Its totient is φ = 123812864.

The previous prime is 394653907. The next prime is 394653913. The reversal of 394653912 is 219356493.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394653913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483237 + ... + 484052.

Almost surely, 2^394653912 is an apocalyptic number.

It is an amenable number.

394653912 is an abundant number, since it is smaller than the sum of its proper divisors (650019288).

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

394653912 is a wasteful number, since it uses less digits than its factorization.

394653912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967315 (or 967311 counting only the distinct ones).

The product of its digits is 174960, while the sum is 42.

The square root of 394653912 is about 19865.8982178003. The cubic root of 394653912 is about 733.5090401746.

The spelling of 394653912 in words is "three hundred ninety-four million, six hundred fifty-three thousand, nine hundred twelve".