380715839 has 12 divisors (see below), whose sum is σ = 452299104. Its totient is φ = 319382784.

The previous prime is 380715827. The next prime is 380715859. The reversal of 380715839 is 938517083.

It is a happy number.

It is not a de Polignac number, because 380715839 - 2¹² = 380711743 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 380715839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380715859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80354 + ... + 84959.

It is an arithmetic number, because the mean of its divisors is an integer number (37691592).

Almost surely, 2^380715839 is an apocalyptic number.

380715839 is a deficient number, since it is larger than the sum of its proper divisors (71583265).

380715839 is a wasteful number, since it uses less digits than its factorization.

380715839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165374 (or 165367 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 380715839 is about 19511.9409336949. The cubic root of 380715839 is about 724.7701778089.

The spelling of 380715839 in words is "three hundred eighty million, seven hundred fifteen thousand, eight hundred thirty-nine".