10890831 has 8 divisors (see below), whose sum is σ = 16595584. Its totient is φ = 6223320.

The previous prime is 10890823. The next prime is 10890853. The reversal of 10890831 is 13809801.

10890831 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10890831 - 2³ = 10890823 is a prime.

It is a super-2 number, since 2×10890831² = 237220399741122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10890821) 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 7 ways as a sum of consecutive naturals, for example, 259285 + ... + 259326.

It is an arithmetic number, because the mean of its divisors is an integer number (2074448).

Almost surely, 2^10890831 is an apocalyptic number.

10890831 is a deficient number, since it is larger than the sum of its proper divisors (5704753).

10890831 is an equidigital number, since it uses as much as digits as its factorization.

10890831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518621.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 10890831 is about 3300.1259066890. The cubic root of 10890831 is about 221.6598353433.

The spelling of 10890831 in words is "ten million, eight hundred ninety thousand, eight hundred thirty-one".