11490831 has 24 divisors (see below), whose sum is σ = 18602064. Its totient is φ = 6773760.

The previous prime is 11490799. The next prime is 11490851. The reversal of 11490831 is 13809411.

It is not a de Polignac number, because 11490831 - 2⁵ = 11490799 is a prime.

It is a super-2 number, since 2×11490831² = 264078394141122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11490795 and 11490804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11490851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2095 + ... + 5231.

It is an arithmetic number, because the mean of its divisors is an integer number (775086).

Almost surely, 2^11490831 is an apocalyptic number.

11490831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11490831 is a deficient number, since it is larger than the sum of its proper divisors (7111233).

11490831 is a wasteful number, since it uses less digits than its factorization.

11490831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191 (or 3188 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 11490831 is about 3389.8128266912. The cubic root of 11490831 is about 225.6578672101.

It can be divided in two parts, 11490 and 831, that added together give a palindrome (12321).

The spelling of 11490831 in words is "eleven million, four hundred ninety thousand, eight hundred thirty-one".