11469638 has 4 divisors (see below), whose sum is σ = 17204460. Its totient is φ = 5734818.

The previous prime is 11469637. The next prime is 11469641. The reversal of 11469638 is 83696411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83696411 = 5087 ⋅16453.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11469631) 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 as a sum of consecutive naturals, namely, 2867408 + ... + 2867411.

It is an arithmetic number, because the mean of its divisors is an integer number (4301115).

Almost surely, 2^11469638 is an apocalyptic number.

11469638 is a deficient number, since it is larger than the sum of its proper divisors (5734822).

11469638 is an equidigital number, since it uses as much as digits as its factorization.

11469638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5734821.

The product of its digits is 31104, while the sum is 38.

The square root of 11469638 is about 3386.6854002107. The cubic root of 11469638 is about 225.5190518856.

The spelling of 11469638 in words is "eleven million, four hundred sixty-nine thousand, six hundred thirty-eight".