90484497 has 12 divisors (see below), whose sum is σ = 131900340. Its totient is φ = 59768928.

The previous prime is 90484487. The next prime is 90484547. The reversal of 90484497 is 79448409.

It can be written as a sum of positive squares in 2 ways, for example, as 49575681 + 40908816 = 7041^2 + 6396^2 .

It is not a de Polignac number, because 90484497 - 2⁴ = 90484481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90484487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45138 + ... + 47099.

It is an arithmetic number, because the mean of its divisors is an integer number (10991695).

Almost surely, 2^90484497 is an apocalyptic number.

It is an amenable number.

90484497 is a deficient number, since it is larger than the sum of its proper divisors (41415843).

90484497 is a wasteful number, since it uses less digits than its factorization.

90484497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92352 (or 92349 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 90484497 is about 9512.3339407319. Note that the first 3 decimals coincide. The cubic root of 90484497 is about 448.9431941534.

The spelling of 90484497 in words is "ninety million, four hundred eighty-four thousand, four hundred ninety-seven".