90013248 has 112 divisors (see below), whose sum is σ = 285048960. Its totient is φ = 27689472.

The previous prime is 90013229. The next prime is 90013309. The reversal of 90013248 is 84231009.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20461 + ... + 24467.

It is an arithmetic number, because the mean of its divisors is an integer number (2545080).

Almost surely, 2^90013248 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 90013248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142524480).

90013248 is an abundant number, since it is smaller than the sum of its proper divisors (195035712).

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

90013248 is a wasteful number, since it uses less digits than its factorization.

90013248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041 (or 4025 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 90013248 is about 9487.5311857195. The cubic root of 90013248 is about 448.1624623362.

The spelling of 90013248 in words is "ninety million, thirteen thousand, two hundred forty-eight".