99998311 has 8 divisors (see below), whose sum is σ = 120298880. Its totient is φ = 81201528.

The previous prime is 99998299. The next prime is 99998323. The reversal of 99998311 is 11389999.

It is an interprime number because it is at equal distance from previous prime (99998299) and next prime (99998323).

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 99998311 - 2¹⁷ = 99867239 is a prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99998111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375801 + ... + 376066.

It is an arithmetic number, because the mean of its divisors is an integer number (15037360).

Almost surely, 2^99998311 is an apocalyptic number.

99998311 is a deficient number, since it is larger than the sum of its proper divisors (20300569).

99998311 is a wasteful number, since it uses less digits than its factorization.

99998311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751893.

The product of its digits is 157464, while the sum is 49.

The square root of 99998311 is about 9999.9155496434. The cubic root of 99998311 is about 464.1562701321.

The spelling of 99998311 in words is "ninety-nine million, nine hundred ninety-eight thousand, three hundred eleven".