99290089 has 4 divisors (see below), whose sum is σ = 99343440. Its totient is φ = 99236740.

The previous prime is 99290083. The next prime is 99290101. The reversal of 99290089 is 98009299.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99290089 - 2⁷ = 99289961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99290083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23779 + ... + 27640.

It is an arithmetic number, because the mean of its divisors is an integer number (24835860).

Almost surely, 2^99290089 is an apocalyptic number.

It is an amenable number.

99290089 is a deficient number, since it is larger than the sum of its proper divisors (53351).

99290089 is a wasteful number, since it uses less digits than its factorization.

99290089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53350.

The product of its (nonzero) digits is 104976, while the sum is 46.

The square root of 99290089 is about 9964.4412286891. The cubic root of 99290089 is about 463.0579022510.

The spelling of 99290089 in words is "ninety-nine million, two hundred ninety thousand, eighty-nine".