11338840 has 32 divisors (see below), whose sum is σ = 25634880. Its totient is φ = 4513792.

The previous prime is 11338829. The next prime is 11338843. The reversal of 11338840 is 4883311.

It is a junction number, because it is equal to n+sod(n) for n = 11338799 and 11338808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11338843) 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, 9729 + ... + 10831.

It is an arithmetic number, because the mean of its divisors is an integer number (801090).

Almost surely, 2^11338840 is an apocalyptic number.

11338840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11338840 is an abundant number, since it is smaller than the sum of its proper divisors (14296040).

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

11338840 is a wasteful number, since it uses less digits than its factorization.

11338840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371 (or 1367 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 11338840 is about 3367.3194086692. The cubic root of 11338840 is about 224.6585107804.

The spelling of 11338840 in words is "eleven million, three hundred thirty-eight thousand, eight hundred forty".