90397211 has 8 divisors (see below), whose sum is σ = 96791760. Its totient is φ = 84122368.

The previous prime is 90397183. The next prime is 90397259. The reversal of 90397211 is 11279309.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90397211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90397261) 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, 28361 + ... + 31386.

It is an arithmetic number, because the mean of its divisors is an integer number (12098970).

Almost surely, 2^90397211 is an apocalyptic number.

90397211 is a deficient number, since it is larger than the sum of its proper divisors (6394549).

90397211 is a wasteful number, since it uses less digits than its factorization.

90397211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59853.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 90397211 is about 9507.7447904327. The cubic root of 90397211 is about 448.7987898111.

The spelling of 90397211 in words is "ninety million, three hundred ninety-seven thousand, two hundred eleven".