11438886 has 8 divisors (see below), whose sum is σ = 22877784. Its totient is φ = 3812960.

The previous prime is 11438873. The next prime is 11438887. The reversal of 11438886 is 68883411.

11438886 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.

11438886 is an admirable number.

It is a super-2 number, since 2×11438886² = 261696225841992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11438887) 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, 953235 + ... + 953246.

It is an arithmetic number, because the mean of its divisors is an integer number (2859723).

Almost surely, 2^11438886 is an apocalyptic number.

11438886 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11438886 is a wasteful number, since it uses less digits than its factorization.

11438886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906486.

The product of its digits is 36864, while the sum is 39.

The square root of 11438886 is about 3382.1422205460. The cubic root of 11438886 is about 225.3173201705.

The spelling of 11438886 in words is "eleven million, four hundred thirty-eight thousand, eight hundred eighty-six".