379672639 has 4 divisors (see below), whose sum is σ = 379986856. Its totient is φ = 379358424.

The previous prime is 379672613. The next prime is 379672681. The reversal of 379672639 is 936276973.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 379672639 - 2⁵ = 379672607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379672609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155289 + ... + 157714.

It is an arithmetic number, because the mean of its divisors is an integer number (94996714).

Almost surely, 2^379672639 is an apocalyptic number.

379672639 is a deficient number, since it is larger than the sum of its proper divisors (314217).

379672639 is a wasteful number, since it uses less digits than its factorization.

379672639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314216.

The product of its digits is 2571912, while the sum is 52.

The square root of 379672639 is about 19485.1902479806. The cubic root of 379672639 is about 724.1075909975.

The spelling of 379672639 in words is "three hundred seventy-nine million, six hundred seventy-two thousand, six hundred thirty-nine".