11438634 has 8 divisors (see below), whose sum is σ = 22877280. Its totient is φ = 3812876.

The previous prime is 11438633. The next prime is 11438653. The reversal of 11438634 is 43683411.

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

11438634 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11438633) 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 3 ways as a sum of consecutive naturals, for example, 953214 + ... + 953225.

It is an arithmetic number, because the mean of its divisors is an integer number (2859660).

Almost surely, 2^11438634 is an apocalyptic number.

11438634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11438634 is a wasteful number, since it uses less digits than its factorization.

11438634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906444.

The product of its digits is 6912, while the sum is 30.

The square root of 11438634 is about 3382.1049658460. The cubic root of 11438634 is about 225.3156655693.

The spelling of 11438634 in words is "eleven million, four hundred thirty-eight thousand, six hundred thirty-four".