99398951 has 8 divisors (see below), whose sum is σ = 101295600. Its totient is φ = 97511040.

The previous prime is 99398933. The next prime is 99398993. The reversal of 99398951 is 15989399.

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 99398951 - 2²⁶ = 32290087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99398893 and 99398902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99398251) 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, 23615 + ... + 27503.

It is an arithmetic number, because the mean of its divisors is an integer number (12661950).

Almost surely, 2^99398951 is an apocalyptic number.

99398951 is a deficient number, since it is larger than the sum of its proper divisors (1896649).

99398951 is a wasteful number, since it uses less digits than its factorization.

99398951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4369.

The product of its digits is 787320, while the sum is 53.

The square root of 99398951 is about 9969.9022562912. The cubic root of 99398951 is about 463.2270732061.

The spelling of 99398951 in words is "ninety-nine million, three hundred ninety-eight thousand, nine hundred fifty-one".