11943894 has 32 divisors (see below), whose sum is σ = 26628480. Its totient is φ = 3549312.

The previous prime is 11943881. The next prime is 11943907. The reversal of 11943894 is 49834911.

It is an interprime number because it is at equal distance from previous prime (11943881) and next prime (11943907).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1144 + ... + 5019.

It is an arithmetic number, because the mean of its divisors is an integer number (832140).

Almost surely, 2^11943894 is an apocalyptic number.

11943894 is an abundant number, since it is smaller than the sum of its proper divisors (14684586).

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

11943894 is a wasteful number, since it uses less digits than its factorization.

11943894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6204.

The product of its digits is 31104, while the sum is 39.

The square root of 11943894 is about 3455.9939236058. The cubic root of 11943894 is about 228.5854835479.

The spelling of 11943894 in words is "eleven million, nine hundred forty-three thousand, eight hundred ninety-four".