379639947 has 8 divisors (see below), whose sum is σ = 507156544. Its totient is φ = 252608328.

The previous prime is 379639927. The next prime is 379639961. The reversal of 379639947 is 749936973.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 379639947 - 2¹⁰ = 379638923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (379639927) 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 in 7 ways as a sum of consecutive naturals, for example, 119413 + ... + 122550.

It is an arithmetic number, because the mean of its divisors is an integer number (63394568).

Almost surely, 2^379639947 is an apocalyptic number.

379639947 is a deficient number, since it is larger than the sum of its proper divisors (127516597).

379639947 is a wasteful number, since it uses less digits than its factorization.

379639947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242489.

The product of its digits is 7715736, while the sum is 57.

The square root of 379639947 is about 19484.3513363930. The cubic root of 379639947 is about 724.0868071235.

The spelling of 379639947 in words is "three hundred seventy-nine million, six hundred thirty-nine thousand, nine hundred forty-seven".