11378638 has 8 divisors (see below), whose sum is σ = 17082288. Its totient is φ = 5684544.

The previous prime is 11378599. The next prime is 11378641. The reversal of 11378638 is 83687311.

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

It is a junction number, because it is equal to n+sod(n) for n = 11378597 and 11378606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3295 + ... + 5797.

It is an arithmetic number, because the mean of its divisors is an integer number (2135286).

Almost surely, 2^11378638 is an apocalyptic number.

11378638 is a deficient number, since it is larger than the sum of its proper divisors (5703650).

11378638 is a wasteful number, since it uses less digits than its factorization.

11378638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778.

The product of its digits is 24192, while the sum is 37.

The square root of 11378638 is about 3373.2236806948. The cubic root of 11378638 is about 224.9210455485.

The spelling of 11378638 in words is "eleven million, three hundred seventy-eight thousand, six hundred thirty-eight".