90914441 has 4 divisors (see below), whose sum is σ = 91440132. Its totient is φ = 90388752.

The previous prime is 90914431. The next prime is 90914471. The reversal of 90914441 is 14441909.

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

It can be written as a sum of positive squares in 2 ways, for example, as 53655625 + 37258816 = 7325^2 + 6104^2 .

It is a cyclic number.

It is not a de Polignac number, because 90914441 - 2²⁶ = 23805577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 90914398 and 90914407.

It is not an unprimeable number, because it can be changed into a prime (90914401) 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, 262586 + ... + 262931.

It is an arithmetic number, because the mean of its divisors is an integer number (22860033).

Almost surely, 2^90914441 is an apocalyptic number.

It is an amenable number.

90914441 is a deficient number, since it is larger than the sum of its proper divisors (525691).

90914441 is a wasteful number, since it uses less digits than its factorization.

90914441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525690.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 90914441 is about 9534.9064494624. The cubic root of 90914441 is about 449.6531335221.

The spelling of 90914441 in words is "ninety million, nine hundred fourteen thousand, four hundred forty-one".