11838744 has 64 divisors (see below), whose sum is σ = 34329600. Its totient is φ = 3773088.

The previous prime is 11838737. The next prime is 11838751. The reversal of 11838744 is 44783811.

It is an interprime number because it is at equal distance from previous prime (11838737) and next prime (11838751).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 11838699 and 11838708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3777 + ... + 6159.

It is an arithmetic number, because the mean of its divisors is an integer number (536400).

Almost surely, 2^11838744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11838744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17164800).

11838744 is an abundant number, since it is smaller than the sum of its proper divisors (22490856).

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

11838744 is a wasteful number, since it uses less digits than its factorization.

11838744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421 (or 2411 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 11838744 is about 3440.7475931838. The cubic root of 11838744 is about 227.9127089667.

The spelling of 11838744 in words is "eleven million, eight hundred thirty-eight thousand, seven hundred forty-four".