90956099 has 16 divisors (see below), whose sum is σ = 103203072. Its totient is φ = 79530528.

The previous prime is 90956087. The next prime is 90956113. The reversal of 90956099 is 99065909.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90956099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90956009) 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, 30572 + ... + 33414.

It is an arithmetic number, because the mean of its divisors is an integer number (6450192).

Almost surely, 2^90956099 is an apocalyptic number.

90956099 is a deficient number, since it is larger than the sum of its proper divisors (12246973).

90956099 is a wasteful number, since it uses less digits than its factorization.

90956099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986.

The product of its (nonzero) digits is 196830, while the sum is 47.

The square root of 90956099 is about 9537.0906989501. The cubic root of 90956099 is about 449.7218017107.

The spelling of 90956099 in words is "ninety million, nine hundred fifty-six thousand, ninety-nine".