11489291 has 16 divisors (see below), whose sum is σ = 13022208. Its totient is φ = 10046400.

The previous prime is 11489279. The next prime is 11489293. The reversal of 11489291 is 19298411.

11489291 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11489291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11489293) 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 in 15 ways as a sum of consecutive naturals, for example, 36551 + ... + 36863.

It is an arithmetic number, because the mean of its divisors is an integer number (813888).

Almost surely, 2^11489291 is an apocalyptic number.

11489291 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11489291 is a deficient number, since it is larger than the sum of its proper divisors (1532917).

11489291 is a wasteful number, since it uses less digits than its factorization.

11489291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442.

The product of its digits is 5184, while the sum is 35.

The square root of 11489291 is about 3389.5856678951. The cubic root of 11489291 is about 225.6477858782.

The spelling of 11489291 in words is "eleven million, four hundred eighty-nine thousand, two hundred ninety-one".