11838646 has 8 divisors (see below), whose sum is σ = 17877600. Its totient is φ = 5879448.

The previous prime is 11838637. The next prime is 11838649. The reversal of 11838646 is 64683811.

11838646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×11838646² = 280307078226632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11838649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19566 + ... + 20161.

It is an arithmetic number, because the mean of its divisors is an integer number (2234700).

Almost surely, 2^11838646 is an apocalyptic number.

11838646 is a deficient number, since it is larger than the sum of its proper divisors (6038954).

11838646 is a wasteful number, since it uses less digits than its factorization.

11838646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39878.

The product of its digits is 27648, while the sum is 37.

The square root of 11838646 is about 3440.7333520632. The cubic root of 11838646 is about 227.9120800850.

The spelling of 11838646 in words is "eleven million, eight hundred thirty-eight thousand, six hundred forty-six".