11490931 has 4 divisors (see below), whose sum is σ = 11887200. Its totient is φ = 11094664.

The previous prime is 11490917. The next prime is 11490937. The reversal of 11490931 is 13909411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11490931 - 2¹³ = 11482739 is a prime.

It is a super-2 number, since 2×11490931² = 264082990493522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11490931.

It is not an unprimeable number, because it can be changed into a prime (11490937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198091 + ... + 198148.

It is an arithmetic number, because the mean of its divisors is an integer number (2971800).

Almost surely, 2^11490931 is an apocalyptic number.

11490931 is a deficient number, since it is larger than the sum of its proper divisors (396269).

11490931 is an equidigital number, since it uses as much as digits as its factorization.

11490931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396268.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 11490931 is about 3389.8275767360. The cubic root of 11490931 is about 225.6585218109.

It can be divided in two parts, 11490 and 931, that added together give a palindrome (12421).

The spelling of 11490931 in words is "eleven million, four hundred ninety thousand, nine hundred thirty-one".