90011199 has 8 divisors (see below), whose sum is σ = 120394800. Its totient is φ = 59817536.

The previous prime is 90011191. The next prime is 90011203. The reversal of 90011199 is 99111009.

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

It is a cyclic number.

It is not a de Polignac number, because 90011199 - 2³ = 90011191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90011191) 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, 46374 + ... + 48275.

It is an arithmetic number, because the mean of its divisors is an integer number (15049350).

Almost surely, 2^90011199 is an apocalyptic number.

90011199 is a deficient number, since it is larger than the sum of its proper divisors (30383601).

90011199 is a wasteful number, since it uses less digits than its factorization.

90011199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94969.

The product of its (nonzero) digits is 729, while the sum is 30.

The square root of 90011199 is about 9487.4232012702. The cubic root of 90011199 is about 448.1590617558.

The spelling of 90011199 in words is "ninety million, eleven thousand, one hundred ninety-nine".