11383638 has 32 divisors (see below), whose sum is σ = 26231040. Its totient is φ = 3226080.

The previous prime is 11383627. The next prime is 11383639. The reversal of 11383638 is 83638311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11383599 and 11383608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11383639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4468 + ... + 6536.

It is an arithmetic number, because the mean of its divisors is an integer number (819720).

Almost surely, 2^11383638 is an apocalyptic number.

11383638 is an abundant number, since it is smaller than the sum of its proper divisors (14847402).

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

11383638 is a wasteful number, since it uses less digits than its factorization.

11383638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212.

The product of its digits is 10368, while the sum is 33.

The square root of 11383638 is about 3373.9647301061. The cubic root of 11383638 is about 224.9539856521.

It can be divided in two parts, 11383 and 638, that added together give a palindrome (12021).

The spelling of 11383638 in words is "eleven million, three hundred eighty-three thousand, six hundred thirty-eight".