379639739 has 2 divisors, whose sum is σ = 379639740. Its totient is φ = 379639738.

The previous prime is 379639723. The next prime is 379639747. The reversal of 379639739 is 937936973.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 379639739 - 2⁴ = 379639723 is a prime.

It is not a weakly prime, because it can be changed into another prime (379639339) 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 as a sum of consecutive naturals, namely, 189819869 + 189819870.

It is an arithmetic number, because the mean of its divisors is an integer number (189819870).

Almost surely, 2^379639739 is an apocalyptic number.

379639739 is a deficient number, since it is larger than the sum of its proper divisors (1).

379639739 is an equidigital number, since it uses as much as digits as its factorization.

379639739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5786802, while the sum is 56.

The square root of 379639739 is about 19484.3459987755. The cubic root of 379639739 is about 724.0866748841.

The spelling of 379639739 in words is "three hundred seventy-nine million, six hundred thirty-nine thousand, seven hundred thirty-nine".