90211299 has 8 divisors (see below), whose sum is σ = 127357200. Its totient is φ = 56603136.

The previous prime is 90211273. The next prime is 90211301. The reversal of 90211299 is 99211209.

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

It is not a de Polignac number, because 90211299 - 2⁷ = 90211171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90211699) 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, 884374 + ... + 884475.

It is an arithmetic number, because the mean of its divisors is an integer number (15919650).

Almost surely, 2^90211299 is an apocalyptic number.

90211299 is a deficient number, since it is larger than the sum of its proper divisors (37145901).

90211299 is a wasteful number, since it uses less digits than its factorization.

90211299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768869.

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 90211299 is about 9497.9628868511. The cubic root of 90211299 is about 448.4909103077.

The spelling of 90211299 in words is "ninety million, two hundred eleven thousand, two hundred ninety-nine".