380806212 has 12 divisors (see below), whose sum is σ = 888547856. Its totient is φ = 126935400.

The previous prime is 380806187. The next prime is 380806243. The reversal of 380806212 is 212608083.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 380806212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15866914 + ... + 15866937.

Almost surely, 2^380806212 is an apocalyptic number.

It is an amenable number.

380806212 is an abundant number, since it is smaller than the sum of its proper divisors (507741644).

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

380806212 is a wasteful number, since it uses less digits than its factorization.

380806212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31733858 (or 31733856 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 380806212 is about 19514.2566345736. The cubic root of 380806212 is about 724.8275210788.

The spelling of 380806212 in words is "three hundred eighty million, eight hundred six thousand, two hundred twelve".