390887715349 has 8 divisors (see below), whose sum is σ = 391950909440. Its totient is φ = 389824916976.

The previous prime is 390887715319. The next prime is 390887715419. The reversal of 390887715349 is 943517788093.

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 390887715349 - 2³³ = 382297780757 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 (390887715319) 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 7 ways as a sum of consecutive naturals, for example, 1936072 + ... + 2128414.

It is an arithmetic number, because the mean of its divisors is an integer number (48993863680).

Almost surely, 2^390887715349 is an apocalyptic number.

It is an amenable number.

390887715349 is a deficient number, since it is larger than the sum of its proper divisors (1063194091).

390887715349 is a wasteful number, since it uses less digits than its factorization.

390887715349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197859.

The product of its (nonzero) digits is 45722880, while the sum is 64.

The spelling of 390887715349 in words is "three hundred ninety billion, eight hundred eighty-seven million, seven hundred fifteen thousand, three hundred forty-nine".