99293957 has 16 divisors (see below), whose sum is σ = 121335552. Its totient is φ = 79315200.

The previous prime is 99293947. The next prime is 99293959. The reversal of 99293957 is 75939299.

It is not a de Polignac number, because 99293957 - 2²⁴ = 82516741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99293899 and 99293908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99293959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8207 + ... + 16307.

It is an arithmetic number, because the mean of its divisors is an integer number (7583472).

Almost surely, 2^99293957 is an apocalyptic number.

It is an amenable number.

99293957 is a deficient number, since it is larger than the sum of its proper divisors (22041595).

99293957 is a wasteful number, since it uses less digits than its factorization.

99293957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8228.

The product of its digits is 1377810, while the sum is 53.

The square root of 99293957 is about 9964.6353169597. The cubic root of 99293957 is about 463.0639152201.

It can be divided in two parts, 992 and 93957, that added together give a palindrome (94949).

The spelling of 99293957 in words is "ninety-nine million, two hundred ninety-three thousand, nine hundred fifty-seven".