11588490 has 24 divisors (see below), whose sum is σ = 30130308. Its totient is φ = 3090240.

The previous prime is 11588471. The next prime is 11588491. The reversal of 11588490 is 9488511.

It can be written as a sum of positive squares in 2 ways, for example, as 11148921 + 439569 = 3339^2 + 663^2 .

It is not an unprimeable number, because it can be changed into a prime (11588491) 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 11 ways as a sum of consecutive naturals, for example, 64291 + ... + 64470.

Almost surely, 2^11588490 is an apocalyptic number.

11588490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11588490 is an abundant number, since it is smaller than the sum of its proper divisors (18541818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11588490 is a wasteful number, since it uses less digits than its factorization.

11588490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128774 (or 128771 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 11588490 is about 3404.1871276415. The cubic root of 11588490 is about 226.2953431093.

The spelling of 11588490 in words is "eleven million, five hundred eighty-eight thousand, four hundred ninety".