11888940 has 48 divisors (see below), whose sum is σ = 38045952. Its totient is φ = 2717376.

The previous prime is 11888939. The next prime is 11888963. The reversal of 11888940 is 4988811.

It is a happy number.

11888940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 13734 + ... + 14573.

It is an arithmetic number, because the mean of its divisors is an integer number (792624).

Almost surely, 2^11888940 is an apocalyptic number.

11888940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11888940 is an abundant number, since it is smaller than the sum of its proper divisors (26157012).

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

11888940 is a wasteful number, since it uses less digits than its factorization.

11888940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28326 (or 28324 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 39.

The square root of 11888940 is about 3448.0342225680. The cubic root of 11888940 is about 228.2343696496.

The spelling of 11888940 in words is "eleven million, eight hundred eighty-eight thousand, nine hundred forty".