394037492212 has 24 divisors (see below), whose sum is σ = 848696137856. Its totient is φ = 155882963808.

The previous prime is 394037492197. The next prime is 394037492243. The reversal of 394037492212 is 212294730493.

It is a super-3 number, since 3×394037492212³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

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, 541259928 + ... + 541260655.

Almost surely, 2^394037492212 is an apocalyptic number.

It is an amenable number.

394037492212 is an abundant number, since it is smaller than the sum of its proper divisors (454658645644).

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

394037492212 is a wasteful number, since it uses less digits than its factorization.

394037492212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082520607 (or 1082520605 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 394037492212 in words is "three hundred ninety-four billion, thirty-seven million, four hundred ninety-two thousand, two hundred twelve".