380720912 has 40 divisors (see below), whose sum is σ = 866611200. Its totient is φ = 159742080.

The previous prime is 380720911. The next prime is 380720929. The reversal of 380720912 is 219027083.

It is a super-2 number, since 2×380720912² = 289896825668223488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (380720911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80912 + ... + 85487.

It is an arithmetic number, because the mean of its divisors is an integer number (21665280).

Almost surely, 2^380720912 is an apocalyptic number.

It is an amenable number.

380720912 is an abundant number, since it is smaller than the sum of its proper divisors (485890288).

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

380720912 is a wasteful number, since it uses less digits than its factorization.

380720912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166431 (or 166425 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 380720912 is about 19512.0709305804. The cubic root of 380720912 is about 724.7733969577.

Adding to 380720912 its reverse (219027083), we get a palindrome (599747995).

The spelling of 380720912 in words is "three hundred eighty million, seven hundred twenty thousand, nine hundred twelve".