10890028 has 6 divisors (see below), whose sum is σ = 19057556. Its totient is φ = 5445012.

The previous prime is 10890023. The next prime is 10890029. The reversal of 10890028 is 82009801.

It is a junction number, because it is equal to n+sod(n) for n = 10889978 and 10890005.

It is not an unprimeable number, because it can be changed into a prime (10890023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1361250 + ... + 1361257.

Almost surely, 2^10890028 is an apocalyptic number.

It is an amenable number.

10890028 is a deficient number, since it is larger than the sum of its proper divisors (8167528).

10890028 is a wasteful number, since it uses less digits than its factorization.

10890028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722511 (or 2722509 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 10890028 is about 3300.0042424215. The cubic root of 10890028 is about 221.6543874204.

Subtracting from 10890028 its sum of digits (28), we obtain a square (10890000 = 3300²).

Adding to 10890028 its reverse (82009801), we get a palindrome (92899829).

The spelling of 10890028 in words is "ten million, eight hundred ninety thousand, twenty-eight".