11895438 has 8 divisors (see below), whose sum is σ = 23790888. Its totient is φ = 3965144.

The previous prime is 11895437. The next prime is 11895467. The reversal of 11895438 is 83459811.

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

11895438 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 11895396 and 11895405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11895431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 991281 + ... + 991292.

It is an arithmetic number, because the mean of its divisors is an integer number (2973861).

Almost surely, 2^11895438 is an apocalyptic number.

11895438 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.

11895438 is a wasteful number, since it uses less digits than its factorization.

11895438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982578.

The product of its digits is 34560, while the sum is 39.

The square root of 11895438 is about 3448.9763698814. The cubic root of 11895438 is about 228.2759432136.

The spelling of 11895438 in words is "eleven million, eight hundred ninety-five thousand, four hundred thirty-eight".