11090639 has 8 divisors (see below), whose sum is σ = 13017888. Its totient is φ = 9249120.

The previous prime is 11090627. The next prime is 11090659. The reversal of 11090639 is 93609011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11090639 - 2¹⁶ = 11025103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11090609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21152 + ... + 21669.

It is an arithmetic number, because the mean of its divisors is an integer number (1627236).

Almost surely, 2^11090639 is an apocalyptic number.

11090639 is a deficient number, since it is larger than the sum of its proper divisors (1927249).

11090639 is an equidigital number, since it uses as much as digits as its factorization.

11090639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42865.

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

The square root of 11090639 is about 3330.2611008748. The cubic root of 11090639 is about 223.0071853812.

The spelling of 11090639 in words is "eleven million, ninety thousand, six hundred thirty-nine".