11638429 has 8 divisors (see below), whose sum is σ = 12936672. Its totient is φ = 10380240.

The previous prime is 11638427. The next prime is 11638439. The reversal of 11638429 is 92483611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11638429 - 2¹ = 11638427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11638394 and 11638403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11638427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9399 + ... + 10564.

It is an arithmetic number, because the mean of its divisors is an integer number (1617084).

Almost surely, 2^11638429 is an apocalyptic number.

It is an amenable number.

11638429 is a deficient number, since it is larger than the sum of its proper divisors (1298243).

11638429 is a wasteful number, since it uses less digits than its factorization.

11638429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20027.

The product of its digits is 10368, while the sum is 34.

The square root of 11638429 is about 3411.5141799500. The cubic root of 11638429 is about 226.6199401471.

The spelling of 11638429 in words is "eleven million, six hundred thirty-eight thousand, four hundred twenty-nine".