11639090 has 32 divisors (see below), whose sum is σ = 21833280. Its totient is φ = 4463424.

The previous prime is 11639087. The next prime is 11639093. The reversal of 11639090 is 9093611.

It is an interprime number because it is at equal distance from previous prime (11639087) and next prime (11639093).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11639093) 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, 30521 + ... + 30899.

It is an arithmetic number, because the mean of its divisors is an integer number (682290).

Almost surely, 2^11639090 is an apocalyptic number.

11639090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11639090 is a deficient number, since it is larger than the sum of its proper divisors (10194190).

11639090 is a wasteful number, since it uses less digits than its factorization.

11639090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 11639090 is about 3411.6110563779. The cubic root of 11639090 is about 226.6242303293.

The spelling of 11639090 in words is "eleven million, six hundred thirty-nine thousand, ninety".