10890909 has 16 divisors (see below), whose sum is σ = 16199040. Its totient is φ = 7231680.

The previous prime is 10890881. The next prime is 10890923. The reversal of 10890909 is 90909801.

10890909 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10890909 - 2¹¹ = 10888861 is a prime.

It is a super-2 number, since 2×10890909² = 237223797692562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10890989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7749 + ... + 9045.

It is an arithmetic number, because the mean of its divisors is an integer number (1012440).

Almost surely, 2^10890909 is an apocalyptic number.

It is an amenable number.

10890909 is a deficient number, since it is larger than the sum of its proper divisors (5308131).

10890909 is a wasteful number, since it uses less digits than its factorization.

10890909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617 (or 1611 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The square root of 10890909 is about 3300.1377243988. The cubic root of 10890909 is about 221.6603645170.

The spelling of 10890909 in words is "ten million, eight hundred ninety thousand, nine hundred nine".