890280 has 48 divisors (see below), whose sum is σ = 2894580. Its totient is φ = 237312.

The previous prime is 890237. The next prime is 890287. The reversal of 890280 is 82098.

890280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 887364 + 2916 = 942^2 + 54^2 .

It is not an unprimeable number, because it can be changed into a prime (890287) by changing a digit.

890280 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 11 ways as a sum of consecutive naturals, for example, 877 + ... + 1596.

2⁸⁹⁰²⁸⁰ is an apocalyptic number.

It is an amenable number.

890280 is an abundant number, since it is smaller than the sum of its proper divisors (2004300).

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

890280 is a wasteful number, since it uses less digits than its factorization.

890280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490 (or 2483 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 890280 is about 943.5465012388. The cubic root of 890280 is about 96.2001034457.

The spelling of 890280 in words is "eight hundred ninety thousand, two hundred eighty".