380629886 has 32 divisors (see below), whose sum is σ = 714631680. Its totient is φ = 148022496.

The previous prime is 380629877. The next prime is 380629891. The reversal of 380629886 is 688926083.

It is a super-2 number, since 2×380629886² = 289758220232745992, which contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6986 + ... + 28461.

It is an arithmetic number, because the mean of its divisors is an integer number (22332240).

Almost surely, 2^380629886 is an apocalyptic number.

380629886 is a deficient number, since it is larger than the sum of its proper divisors (334001794).

380629886 is a wasteful number, since it uses less digits than its factorization.

380629886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35528.

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 380629886 is about 19509.7382350456. The cubic root of 380629886 is about 724.7156306871.

The spelling of 380629886 in words is "three hundred eighty million, six hundred twenty-nine thousand, eight hundred eighty-six".