381290760 has 64 divisors (see below), whose sum is σ = 1270972800. Its totient is φ = 101677248.

The previous prime is 381290759. The next prime is 381290771. The reversal of 381290760 is 67092183.

381290760 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×381290760² = 290765287322755200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 175444 + ... + 177603.

It is an arithmetic number, because the mean of its divisors is an integer number (19858950).

Almost surely, 2^381290760 is an apocalyptic number.

381290760 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

381290760 is an abundant number, since it is smaller than the sum of its proper divisors (889682040).

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

381290760 is a wasteful number, since it uses less digits than its factorization.

381290760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353067 (or 353057 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 381290760 is about 19526.6679185159. The cubic root of 381290760 is about 725.1348207457.

The spelling of 381290760 in words is "three hundred eighty-one million, two hundred ninety thousand, seven hundred sixty".