379579939 has 2 divisors, whose sum is σ = 379579940. Its totient is φ = 379579938.

The previous prime is 379579933. The next prime is 379579957. The reversal of 379579939 is 939975973.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 379579939 - 2³ = 379579931 is a prime.

It is not a weakly prime, because it can be changed into another prime (379579931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189789969 + 189789970.

It is an arithmetic number, because the mean of its divisors is an integer number (189789970).

Almost surely, 2^379579939 is an apocalyptic number.

379579939 is a deficient number, since it is larger than the sum of its proper divisors (1).

379579939 is an equidigital number, since it uses as much as digits as its factorization.

379579939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14467005, while the sum is 61.

The square root of 379579939 is about 19482.8113731053. The cubic root of 379579939 is about 724.0486540515.

The spelling of 379579939 in words is "three hundred seventy-nine million, five hundred seventy-nine thousand, nine hundred thirty-nine".