11789940 has 24 divisors (see below), whose sum is σ = 33012000. Its totient is φ = 3143968.

The previous prime is 11789933. The next prime is 11789941. The reversal of 11789940 is 4998711.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11789941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98190 + ... + 98309.

It is an arithmetic number, because the mean of its divisors is an integer number (1375500).

Almost surely, 2^11789940 is an apocalyptic number.

11789940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11789940 is an abundant number, since it is smaller than the sum of its proper divisors (21222060).

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

11789940 is a wasteful number, since it uses less digits than its factorization.

11789940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196511 (or 196509 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 11789940 is about 3433.6482056262. The cubic root of 11789940 is about 227.5990954197.

The spelling of 11789940 in words is "eleven million, seven hundred eighty-nine thousand, nine hundred forty".