99923398 has 8 divisors (see below), whose sum is σ = 152122392. Its totient is φ = 49215936.

The previous prime is 99923389. The next prime is 99923419. The reversal of 99923398 is 89332999.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372715 + ... + 372982.

It is an arithmetic number, because the mean of its divisors is an integer number (19015299).

Almost surely, 2^99923398 is an apocalyptic number.

99923398 is a deficient number, since it is larger than the sum of its proper divisors (52198994).

99923398 is a wasteful number, since it uses less digits than its factorization.

99923398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745766.

The product of its digits is 944784, while the sum is 52.

The square root of 99923398 is about 9996.1691662356. The cubic root of 99923398 is about 464.0403347566.

The spelling of 99923398 in words is "ninety-nine million, nine hundred twenty-three thousand, three hundred ninety-eight".