350990639 has 8 divisors (see below), whose sum is σ = 359779200. Its totient is φ = 342230616.

The previous prime is 350990593. The next prime is 350990641. The reversal of 350990639 is 936099053.

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 350990639 - 2¹² = 350986543 is a prime.

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 350990639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350990669) 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, 18944 + ... + 32570.

It is an arithmetic number, because the mean of its divisors is an integer number (44972400).

Almost surely, 2^350990639 is an apocalyptic number.

350990639 is a deficient number, since it is larger than the sum of its proper divisors (8788561).

350990639 is a wasteful number, since it uses less digits than its factorization.

350990639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14269.

The product of its (nonzero) digits is 196830, while the sum is 44.

The square root of 350990639 is about 18734.7441669215. The cubic root of 350990639 is about 705.3941353647.

The spelling of 350990639 in words is "three hundred fifty million, nine hundred ninety thousand, six hundred thirty-nine".