358990369 has 2 divisors, whose sum is σ = 358990370. Its totient is φ = 358990368.

The previous prime is 358990349. The next prime is 358990403. The reversal of 358990369 is 963099853.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 326271969 + 32718400 = 18063^2 + 5720^2 .

It is a cyclic number.

It is not a de Polignac number, because 358990369 - 2⁵ = 358990337 is a prime.

It is a super-2 number, since 2×358990369² = 257748170069512322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (358990349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 179495184 + 179495185.

It is an arithmetic number, because the mean of its divisors is an integer number (179495185).

Almost surely, 2^358990369 is an apocalyptic number.

It is an amenable number.

358990369 is a deficient number, since it is larger than the sum of its proper divisors (1).

358990369 is an equidigital number, since it uses as much as digits as its factorization.

358990369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1574640, while the sum is 52.

The square root of 358990369 is about 18947.0411674224. The cubic root of 358990369 is about 710.7130105003.

The spelling of 358990369 in words is "three hundred fifty-eight million, nine hundred ninety thousand, three hundred sixty-nine".