379638155 has 16 divisors (see below), whose sum is σ = 498929760. Its totient is φ = 275593728.

The previous prime is 379638137. The next prime is 379638173. The reversal of 379638155 is 551836973.

It is an interprime number because it is at equal distance from previous prime (379638137) and next prime (379638173).

It is a cyclic number.

It is not a de Polignac number, because 379638155 - 2⁸ = 379637899 is a prime.

It is an unprimeable number.

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, 45662 + ... + 53331.

It is an arithmetic number, because the mean of its divisors is an integer number (31183110).

Almost surely, 2^379638155 is an apocalyptic number.

379638155 is a deficient number, since it is larger than the sum of its proper divisors (119291605).

379638155 is a wasteful number, since it uses less digits than its factorization.

379638155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99070.

The product of its digits is 680400, while the sum is 47.

The square root of 379638155 is about 19484.3053507175. The cubic root of 379638155 is about 724.0856678286.

The spelling of 379638155 in words is "three hundred seventy-nine million, six hundred thirty-eight thousand, one hundred fifty-five".