99958317 has 8 divisors (see below), whose sum is σ = 141117696. Its totient is φ = 62718912.

The previous prime is 99958277. The next prime is 99958337. The reversal of 99958317 is 71385999.

It is a happy number.

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

It is not a de Polignac number, because 99958317 - 2¹⁵ = 99925549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 1959967 = 99958317 / (9 + 9 + 9 + 5 + 8 + 3 + 1 + 7).

It is a self number, because there is not a number n which added to its sum of digits gives 99958317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99958337) 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, 979933 + ... + 980034.

It is an arithmetic number, because the mean of its divisors is an integer number (17639712).

Almost surely, 2^99958317 is an apocalyptic number.

It is an amenable number.

99958317 is a deficient number, since it is larger than the sum of its proper divisors (41159379).

99958317 is a wasteful number, since it uses less digits than its factorization.

99958317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959987.

The product of its digits is 612360, while the sum is 51.

The square root of 99958317 is about 9997.9156327707. The cubic root of 99958317 is about 464.0943826160.

The spelling of 99958317 in words is "ninety-nine million, nine hundred fifty-eight thousand, three hundred seventeen".