379581516 has 36 divisors (see below), whose sum is σ = 966513912. Its totient is φ = 125601984.

The previous prime is 379581509. The next prime is 379581613. The reversal of 379581516 is 615185973.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33550 + ... + 43413.

Almost surely, 2^379581516 is an apocalyptic number.

379581516 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

379581516 is an abundant number, since it is smaller than the sum of its proper divisors (586932396).

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

379581516 is a wasteful number, since it uses less digits than its factorization.

379581516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77110 (or 77105 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 379581516 is about 19482.8518446351. The cubic root of 379581516 is about 724.0496567592.

The spelling of 379581516 in words is "three hundred seventy-nine million, five hundred eighty-one thousand, five hundred sixteen".