11329638 has 16 divisors (see below), whose sum is σ = 22752576. Its totient is φ = 3761000.

The previous prime is 11329631. The next prime is 11329649. The reversal of 11329638 is 83692311.

It is a super-2 number, since 2×11329638² = 256721394422088, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11329599 and 11329608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11329631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2256 + ... + 5267.

It is an arithmetic number, because the mean of its divisors is an integer number (1422036).

Almost surely, 2^11329638 is an apocalyptic number.

11329638 is an abundant number, since it is smaller than the sum of its proper divisors (11422938).

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

11329638 is a wasteful number, since it uses less digits than its factorization.

11329638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7779.

The product of its digits is 7776, while the sum is 33.

The square root of 11329638 is about 3365.9527625919. The cubic root of 11329638 is about 224.5977206964.

The spelling of 11329638 in words is "eleven million, three hundred twenty-nine thousand, six hundred thirty-eight".