390016039 has 10 divisors (see below), whose sum is σ = 454994440. Its totient is φ = 334297404.

The previous prime is 390016027. The next prime is 390016043. The reversal of 390016039 is 930610093.

It is not a de Polignac number, because 390016039 - 2²¹ = 387918887 is a prime.

It is a super-2 number, since 2×390016039² = 304225021354499042, which contains 22 as substring.

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 390016039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390016009) 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 in 9 ways as a sum of consecutive naturals, for example, 78819 + ... + 83620.

It is an arithmetic number, because the mean of its divisors is an integer number (45499444).

Almost surely, 2^390016039 is an apocalyptic number.

390016039 is a deficient number, since it is larger than the sum of its proper divisors (64978401).

390016039 is an frugal number, since it uses more digits than its factorization.

390016039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162467 (or 162446 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 390016039 is about 19748.8237371242. The cubic root of 390016039 is about 730.6243729302.

The spelling of 390016039 in words is "three hundred ninety million, sixteen thousand, thirty-nine".