90824244 has 72 divisors (see below), whose sum is σ = 249627168. Its totient is φ = 25623360.

The previous prime is 90824243. The next prime is 90824249. The reversal of 90824244 is 44242809.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90824243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47874 + ... + 49734.

It is an arithmetic number, because the mean of its divisors is an integer number (3467044).

Almost surely, 2^90824244 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 90824244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124813584).

90824244 is an abundant number, since it is smaller than the sum of its proper divisors (158802924).

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

90824244 is a wasteful number, since it uses less digits than its factorization.

90824244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965 (or 1956 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 90824244 is about 9530.1754443452. The cubic root of 90824244 is about 449.5043827366.

It can be divided in two parts, 908 and 24244, that added together give a palindrome (25152).

The spelling of 90824244 in words is "ninety million, eight hundred twenty-four thousand, two hundred forty-four".