90989411 has 4 divisors (see below), whose sum is σ = 92271024. Its totient is φ = 89707800.

The previous prime is 90989377. The next prime is 90989441. The reversal of 90989411 is 11498909.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90989411 - 2²⁶ = 23880547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90989441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640700 + ... + 640841.

It is an arithmetic number, because the mean of its divisors is an integer number (23067756).

Almost surely, 2^90989411 is an apocalyptic number.

90989411 is a deficient number, since it is larger than the sum of its proper divisors (1281613).

90989411 is a wasteful number, since it uses less digits than its factorization.

90989411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281612.

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 90989411 is about 9538.8369836160. The cubic root of 90989411 is about 449.7766974398.

The spelling of 90989411 in words is "ninety million, nine hundred eighty-nine thousand, four hundred eleven".