11669838 has 16 divisors (see below), whose sum is σ = 24568320. Its totient is φ = 3685176.

The previous prime is 11669821. The next prime is 11669839. The reversal of 11669838 is 83896611.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11669838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11669839) 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, 51070 + ... + 51297.

It is an arithmetic number, because the mean of its divisors is an integer number (1535520).

Almost surely, 2^11669838 is an apocalyptic number.

11669838 is an abundant number, since it is smaller than the sum of its proper divisors (12898482).

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

11669838 is a wasteful number, since it uses less digits than its factorization.

11669838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102391.

The product of its digits is 62208, while the sum is 42.

The square root of 11669838 is about 3416.1144594407. The cubic root of 11669838 is about 226.8236191882.

The spelling of 11669838 in words is "eleven million, six hundred sixty-nine thousand, eight hundred thirty-eight".