10890090 has 24 divisors (see below), whose sum is σ = 28314468. Its totient is φ = 2904000.

The previous prime is 10890079. The next prime is 10890101. The reversal of 10890090 is 9009801.

10890090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10890079) and next prime (10890101).

It can be written as a sum of positive squares in 2 ways, for example, as 10870209 + 19881 = 3297^2 + 141^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60411 + ... + 60590.

Almost surely, 2^10890090 is an apocalyptic number.

10890090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10890090 is an abundant number, since it is smaller than the sum of its proper divisors (17424378).

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

10890090 is a wasteful number, since it uses less digits than its factorization.

10890090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121014 (or 121011 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 10890090 is about 3300.0136363355. The cubic root of 10890090 is about 221.6548080666.

Adding to 10890090 its reverse (9009801), we get a palindrome (19899891).

The spelling of 10890090 in words is "ten million, eight hundred ninety thousand, ninety".