90911104 has 64 divisors (see below), whose sum is σ = 196635600. Its totient is φ = 41697280.

The previous prime is 90911101. The next prime is 90911129. The reversal of 90911104 is 40111909.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90911101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88707 + ... + 89725.

Almost surely, 2^90911104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90911104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98317800).

90911104 is an abundant number, since it is smaller than the sum of its proper divisors (105724496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90911104 is a wasteful number, since it uses less digits than its factorization.

90911104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 90911104 is about 9534.7314592494. The cubic root of 90911104 is about 449.6476319727.

The spelling of 90911104 in words is "ninety million, nine hundred eleven thousand, one hundred four".