380966920 has 32 divisors (see below), whose sum is σ = 858674520. Its totient is φ = 152120320.

The previous prime is 380966897. The next prime is 380966921. The reversal of 380966920 is 29669083.

It can be written as a sum of positive squares in 4 ways, for example, as 204661636 + 176305284 = 14306^2 + 13278^2 .

It is not an unprimeable number, because it can be changed into a prime (380966921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15690 + ... + 31750.

Almost surely, 2^380966920 is an apocalyptic number.

It is an amenable number.

380966920 is an abundant number, since it is smaller than the sum of its proper divisors (477707600).

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

380966920 is a wasteful number, since it uses less digits than its factorization.

380966920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16665 (or 16661 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 380966920 is about 19518.3739076799. The cubic root of 380966920 is about 724.9294707450.

The spelling of 380966920 in words is "three hundred eighty million, nine hundred sixty-six thousand, nine hundred twenty".