90044084 has 12 divisors (see below), whose sum is σ = 169698564. Its totient is φ = 41558784.

The previous prime is 90044083. The next prime is 90044093. The reversal of 90044084 is 48044009.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16564900 + 73479184 = 4070^2 + 8572^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90044083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 865757 + ... + 865860.

It is an arithmetic number, because the mean of its divisors is an integer number (14141547).

Almost surely, 2^90044084 is an apocalyptic number.

It is an amenable number.

90044084 is a deficient number, since it is larger than the sum of its proper divisors (79654480).

90044084 is a wasteful number, since it uses less digits than its factorization.

90044084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731634 (or 1731632 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 90044084 is about 9489.1561268640. The cubic root of 90044084 is about 448.2136324333.

The spelling of 90044084 in words is "ninety million, forty-four thousand, eighty-four".