11936838 has 16 divisors (see below), whose sum is σ = 23915520. Its totient is φ = 3971976.

The previous prime is 11936809. The next prime is 11936909. The reversal of 11936838 is 83863911.

It is a junction number, because it is equal to n+sod(n) for n = 11936796 and 11936805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2931 + ... + 5697.

It is an arithmetic number, because the mean of its divisors is an integer number (1494720).

Almost surely, 2^11936838 is an apocalyptic number.

11936838 is an abundant number, since it is smaller than the sum of its proper divisors (11978682).

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

11936838 is a wasteful number, since it uses less digits than its factorization.

11936838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491.

The product of its digits is 31104, while the sum is 39.

The square root of 11936838 is about 3454.9729376654. The cubic root of 11936838 is about 228.5404614669.

The spelling of 11936838 in words is "eleven million, nine hundred thirty-six thousand, eight hundred thirty-eight".