380890970 has 16 divisors (see below), whose sum is σ = 689394888. Its totient is φ = 151513920.

The previous prime is 380890927. The next prime is 380890973. The reversal of 380890970 is 79098083.

It can be written as a sum of positive squares in 4 ways, for example, as 253223569 + 127667401 = 15913^2 + 11299^2 .

It is not an unprimeable number, because it can be changed into a prime (380890973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103409 + ... + 107028.

Almost surely, 2^380890970 is an apocalyptic number.

380890970 is a deficient number, since it is larger than the sum of its proper divisors (308503918).

380890970 is a wasteful number, since it uses less digits than its factorization.

380890970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210625.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 380890970 is about 19516.4282080508. The cubic root of 380890970 is about 724.8812932878.

The spelling of 380890970 in words is "three hundred eighty million, eight hundred ninety thousand, nine hundred seventy".