99626091 has 8 divisors (see below), whose sum is σ = 132922944. Its totient is φ = 66373320.

The previous prime is 99626071. The next prime is 99626113. The reversal of 99626091 is 19062699.

It is a happy number.

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

It is not a de Polignac number, because 99626091 - 2⁶ = 99626027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99626071) 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, 5325 + ... + 15086.

It is an arithmetic number, because the mean of its divisors is an integer number (16615368).

Almost surely, 2^99626091 is an apocalyptic number.

99626091 is a deficient number, since it is larger than the sum of its proper divisors (33296853).

99626091 is a wasteful number, since it uses less digits than its factorization.

99626091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22041.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 99626091 is about 9981.2870412588. The cubic root of 99626091 is about 463.5796502123.

The spelling of 99626091 in words is "ninety-nine million, six hundred twenty-six thousand, ninety-one".