379854161 has 2 divisors, whose sum is σ = 379854162. Its totient is φ = 379854160.

The previous prime is 379854143. The next prime is 379854187. The reversal of 379854161 is 161458973.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 344807761 + 35046400 = 18569^2 + 5920^2 .

It is a cyclic number.

It is not a de Polignac number, because 379854161 - 2²² = 375659857 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (379854661) 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 as a sum of consecutive naturals, namely, 189927080 + 189927081.

It is an arithmetic number, because the mean of its divisors is an integer number (189927081).

Almost surely, 2^379854161 is an apocalyptic number.

It is an amenable number.

379854161 is a deficient number, since it is larger than the sum of its proper divisors (1).

379854161 is an equidigital number, since it uses as much as digits as its factorization.

379854161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 379854161 is about 19489.8476392198. The cubic root of 379854161 is about 724.2229715497. Note that the first 3 decimals are identical.

The spelling of 379854161 in words is "three hundred seventy-nine million, eight hundred fifty-four thousand, one hundred sixty-one".