380931780 has 24 divisors (see below), whose sum is σ = 1066609152. Its totient is φ = 101581792.

The previous prime is 380931731. The next prime is 380931781. The reversal of 380931780 is 87139083.

It is not an unprimeable number, because it can be changed into a prime (380931781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3174372 + ... + 3174491.

It is an arithmetic number, because the mean of its divisors is an integer number (44442048).

Almost surely, 2^380931780 is an apocalyptic number.

380931780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

380931780 is an abundant number, since it is smaller than the sum of its proper divisors (685677372).

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

380931780 is a wasteful number, since it uses less digits than its factorization.

380931780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6348875 (or 6348873 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 380931780 is about 19517.4737094738. The cubic root of 380931780 is about 724.9071811415.

The spelling of 380931780 in words is "three hundred eighty million, nine hundred thirty-one thousand, seven hundred eighty".