390636042617 has 8 divisors (see below), whose sum is σ = 392070072000. Its totient is φ = 389202184944.

The previous prime is 390636042613. The next prime is 390636042649. The reversal of 390636042617 is 716240636093.

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

It is a cyclic number.

It is not a de Polignac number, because 390636042617 - 2² = 390636042613 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (390636042613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6139634 + ... + 6202932.

It is an arithmetic number, because the mean of its divisors is an integer number (49008759000).

Almost surely, 2^390636042617 is an apocalyptic number.

It is an amenable number.

390636042617 is a deficient number, since it is larger than the sum of its proper divisors (1434029383).

390636042617 is a wasteful number, since it uses less digits than its factorization.

390636042617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85855.

The product of its (nonzero) digits is 979776, while the sum is 47.

The spelling of 390636042617 in words is "three hundred ninety billion, six hundred thirty-six million, forty-two thousand, six hundred seventeen".