11638332 has 36 divisors (see below), whose sum is σ = 29531320. Its totient is φ = 3864672.

The previous prime is 11638321. The next prime is 11638339. The reversal of 11638332 is 23383611.

It is a happy number.

11638332 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 11638296 and 11638305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11638339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13218 + ... + 14070.

Almost surely, 2^11638332 is an apocalyptic number.

11638332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is a pronic number, being equal to 3411×3412.

It is an amenable number.

11638332 is an abundant number, since it is smaller than the sum of its proper divisors (17892988).

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

11638332 is a wasteful number, since it uses less digits than its factorization.

11638332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242 (or 1237 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 11638332 is about 3411.4999633592. The cubic root of 11638332 is about 226.6193105605.

The spelling of 11638332 in words is "eleven million, six hundred thirty-eight thousand, three hundred thirty-two".