99996091 has 16 divisors (see below), whose sum is σ = 115970400. Its totient is φ = 85390848.

The previous prime is 99996079. The next prime is 99996097. The reversal of 99996091 is 19069999.

It is a cyclic number.

It is not a de Polignac number, because 99996091 - 2⁵ = 99996059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99996097) 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, 9205 + ... + 16873.

It is an arithmetic number, because the mean of its divisors is an integer number (7248150).

Almost surely, 2^99996091 is an apocalyptic number.

99996091 is a deficient number, since it is larger than the sum of its proper divisors (15974309).

99996091 is a wasteful number, since it uses less digits than its factorization.

99996091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7758.

The product of its (nonzero) digits is 354294, while the sum is 52.

The square root of 99996091 is about 9999.8045480899. The cubic root of 99996091 is about 464.1528352922.

The spelling of 99996091 in words is "ninety-nine million, nine hundred ninety-six thousand, ninety-one".