11639589 has 8 divisors (see below), whose sum is σ = 16713312. Its totient is φ = 7162800.

The previous prime is 11639581. The next prime is 11639599. The reversal of 11639589 is 98593611.

11639589 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11639589 - 2³ = 11639581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11639589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11639581) 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, 149187 + ... + 149264.

It is an arithmetic number, because the mean of its divisors is an integer number (2089164).

Almost surely, 2^11639589 is an apocalyptic number.

It is an amenable number.

11639589 is a deficient number, since it is larger than the sum of its proper divisors (5073723).

11639589 is a wasteful number, since it uses less digits than its factorization.

11639589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298467.

The product of its digits is 58320, while the sum is 42.

The square root of 11639589 is about 3411.6841881980. The cubic root of 11639589 is about 226.6274689524.

The spelling of 11639589 in words is "eleven million, six hundred thirty-nine thousand, five hundred eighty-nine".