379862561 has 16 divisors (see below), whose sum is σ = 436853760. Its totient is φ = 327620160.

The previous prime is 379862557. The next prime is 379862563. The reversal of 379862561 is 165268973.

It is a cyclic number.

It is not a de Polignac number, because 379862561 - 2² = 379862557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (379862563) 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 15 ways as a sum of consecutive naturals, for example, 4565 + ... + 27938.

It is an arithmetic number, because the mean of its divisors is an integer number (27303360).

Almost surely, 2^379862561 is an apocalyptic number.

379862561 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

379862561 is a deficient number, since it is larger than the sum of its proper divisors (56991199).

379862561 is a wasteful number, since it uses less digits than its factorization.

379862561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32576.

The product of its digits is 544320, while the sum is 47.

The square root of 379862561 is about 19490.0631348387. The cubic root of 379862561 is about 724.2283099389.

The spelling of 379862561 in words is "three hundred seventy-nine million, eight hundred sixty-two thousand, five hundred sixty-one".