11490491 has 4 divisors (see below), whose sum is σ = 11861184. Its totient is φ = 11119800.

The previous prime is 11490481. The next prime is 11490499. The reversal of 11490491 is 19409411.

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 11490491 - 2²² = 7296187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11490499) 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, 185300 + ... + 185361.

It is an arithmetic number, because the mean of its divisors is an integer number (2965296).

Almost surely, 2^11490491 is an apocalyptic number.

11490491 is a deficient number, since it is larger than the sum of its proper divisors (370693).

11490491 is an equidigital number, since it uses as much as digits as its factorization.

11490491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370692.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 11490491 is about 3389.7626760586. The cubic root of 11490491 is about 225.6556415390.

The spelling of 11490491 in words is "eleven million, four hundred ninety thousand, four hundred ninety-one".