990359 has 2 divisors, whose sum is σ = 990360. Its totient is φ = 990358.

The previous prime is 990349. The next prime is 990361. The reversal of 990359 is 953099.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-990359 is a prime.

Together with 990361, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (990329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495179 + 495180.

It is an arithmetic number, because the mean of its divisors is an integer number (495180).

2⁹⁹⁰³⁵⁹ is an apocalyptic number.

990359 is a deficient number, since it is larger than the sum of its proper divisors (1).

990359 is an equidigital number, since it uses as much as digits as its factorization.

990359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10935, while the sum is 35.

The square root of 990359 is about 995.1678250426. The cubic root of 990359 is about 99.6775950006.

The spelling of 990359 in words is "nine hundred ninety thousand, three hundred fifty-nine".