11863940 has 24 divisors (see below), whose sum is σ = 27179712. Its totient is φ = 4314080.

The previous prime is 11863933. The next prime is 11863963. The reversal of 11863940 is 4936811.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11863897 and 11863906.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26744 + ... + 27183.

It is an arithmetic number, because the mean of its divisors is an integer number (1132488).

Almost surely, 2^11863940 is an apocalyptic number.

11863940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11863940 is an abundant number, since it is smaller than the sum of its proper divisors (15315772).

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

11863940 is a wasteful number, since it uses less digits than its factorization.

11863940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53947 (or 53945 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 11863940 is about 3444.4070607290. The cubic root of 11863940 is about 228.0742807116.

The spelling of 11863940 in words is "eleven million, eight hundred sixty-three thousand, nine hundred forty".