90244648 has 24 divisors (see below), whose sum is σ = 183228750. Its totient is φ = 41650752.

The previous prime is 90244643. The next prime is 90244657. The reversal of 90244648 is 84644209.

It can be written as a sum of positive squares in 3 ways, for example, as 51581124 + 38663524 = 7182^2 + 6218^2 .

It is not an unprimeable number, because it can be changed into a prime (90244643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32023 + ... + 34726.

Almost surely, 2^90244648 is an apocalyptic number.

It is an amenable number.

90244648 is an abundant number, since it is smaller than the sum of its proper divisors (92984102).

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

90244648 is a wasteful number, since it uses less digits than its factorization.

90244648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66781 (or 66764 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 90244648 is about 9499.7183116132. The cubic root of 90244648 is about 448.5461690202.

The spelling of 90244648 in words is "ninety million, two hundred forty-four thousand, six hundred forty-eight".