11340638 has 8 divisors (see below), whose sum is σ = 17046288. Its totient is φ = 5658544.

The previous prime is 11340629. The next prime is 11340643. The reversal of 11340638 is 83604311.

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

It is a super-2 number, since 2×11340638² = 257220140494088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4631 + ... + 6642.

It is an arithmetic number, because the mean of its divisors is an integer number (2130786).

Almost surely, 2^11340638 is an apocalyptic number.

11340638 is a deficient number, since it is larger than the sum of its proper divisors (5705650).

11340638 is a wasteful number, since it uses less digits than its factorization.

11340638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11778.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 11340638 is about 3367.5863760266. The cubic root of 11340638 is about 224.6703848538.

Adding to 11340638 its reverse (83604311), we get a palindrome (94944949).

The spelling of 11340638 in words is "eleven million, three hundred forty thousand, six hundred thirty-eight".