11879638 has 8 divisors (see below), whose sum is σ = 18594288. Its totient is φ = 5681544.

The previous prime is 11879633. The next prime is 11879641. The reversal of 11879638 is 83697811.

11879638 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 2×11879638² = 282251598022088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11879594 and 11879603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11879633) 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, 129081 + ... + 129172.

It is an arithmetic number, because the mean of its divisors is an integer number (2324286).

Almost surely, 2^11879638 is an apocalyptic number.

11879638 is a deficient number, since it is larger than the sum of its proper divisors (6714650).

11879638 is a wasteful number, since it uses less digits than its factorization.

11879638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258278.

The product of its digits is 72576, while the sum is 43.

The square root of 11879638 is about 3446.6850740966. The cubic root of 11879638 is about 228.1748299979.

The spelling of 11879638 in words is "eleven million, eight hundred seventy-nine thousand, six hundred thirty-eight".