90270848 has 64 divisors (see below), whose sum is σ = 187125120. Its totient is φ = 43345920.

The previous prime is 90270847. The next prime is 90270907. The reversal of 90270848 is 84807209.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (90270847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540461 + ... + 540627.

It is an arithmetic number, because the mean of its divisors is an integer number (2923830).

Almost surely, 2^90270848 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 90270848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93562560).

90270848 is an abundant number, since it is smaller than the sum of its proper divisors (96854272).

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

90270848 is a wasteful number, since it uses less digits than its factorization.

90270848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 90270848 is about 9501.0971997975. The cubic root of 90270848 is about 448.5895724160.

The spelling of 90270848 in words is "ninety million, two hundred seventy thousand, eight hundred forty-eight".