90260 has 12 divisors (see below), whose sum is σ = 189588. Its totient is φ = 36096.

The previous prime is 90247. The next prime is 90263. The reversal of 90260 is 6209.

It can be written as a sum of positive squares in 2 ways, for example, as 9604 + 80656 = 98^2 + 284^2 .

It is a nialpdrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 90260.

It is not an unprimeable number, because it can be changed into a prime (90263) by changing a digit.

90260 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2237 + ... + 2276.

It is an arithmetic number, because the mean of its divisors is an integer number (15799).

2⁹⁰²⁶⁰ is an apocalyptic number.

It is an amenable number.

90260 is an abundant number, since it is smaller than the sum of its proper divisors (99328).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94794).

90260 is a wasteful number, since it uses less digits than its factorization.

90260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4522 (or 4520 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 90260 is about 300.4330208216. The cubic root of 90260 is about 44.8571602441.

Adding to 90260 its reverse (6209), we get a palindrome (96469).

The spelling of 90260 in words is "ninety thousand, two hundred sixty".