379839405 has 32 divisors (see below), whose sum is σ = 663884928. Its totient is φ = 183916800.

The previous prime is 379839401. The next prime is 379839413. The reversal of 379839405 is 504938973.

It is not a de Polignac number, because 379839405 - 2² = 379839401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379839401) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 203175 + ... + 205035.

It is an arithmetic number, because the mean of its divisors is an integer number (20746404).

Almost surely, 2^379839405 is an apocalyptic number.

It is an amenable number.

379839405 is a deficient number, since it is larger than the sum of its proper divisors (284045523).

379839405 is a wasteful number, since it uses less digits than its factorization.

379839405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3117.

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 379839405 is about 19489.4690794798. The cubic root of 379839405 is about 724.2135935887.

The spelling of 379839405 in words is "three hundred seventy-nine million, eight hundred thirty-nine thousand, four hundred five".