99098923 has 24 divisors (see below), whose sum is σ = 128167920. Its totient is φ = 75741120.

The previous prime is 99098911. The next prime is 99098939. The reversal of 99098923 is 32989099.

It is not a de Polignac number, because 99098923 - 2⁹ = 99098411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99098023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26833 + ... + 30301.

It is an arithmetic number, because the mean of its divisors is an integer number (5340330).

Almost surely, 2^99098923 is an apocalyptic number.

99098923 is a deficient number, since it is larger than the sum of its proper divisors (29068997).

99098923 is a wasteful number, since it uses less digits than its factorization.

99098923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3547 (or 3540 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 49.

The square root of 99098923 is about 9954.8441976758. The cubic root of 99098923 is about 462.7605318579.

The spelling of 99098923 in words is "ninety-nine million, ninety-eight thousand, nine hundred twenty-three".