11904940 has 12 divisors (see below), whose sum is σ = 25000416. Its totient is φ = 4761968.

The previous prime is 11904931. The next prime is 11904941. The reversal of 11904940 is 4940911.

It is a junction number, because it is equal to n+sod(n) for n = 11904899 and 11904908.

It is not an unprimeable number, because it can be changed into a prime (11904941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297604 + ... + 297643.

It is an arithmetic number, because the mean of its divisors is an integer number (2083368).

Almost surely, 2^11904940 is an apocalyptic number.

11904940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11904940 is an abundant number, since it is smaller than the sum of its proper divisors (13095476).

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

11904940 is a wasteful number, since it uses less digits than its factorization.

11904940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595256 (or 595254 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 11904940 is about 3450.3536050672. The cubic root of 11904940 is about 228.3367088258.

The spelling of 11904940 in words is "eleven million, nine hundred four thousand, nine hundred forty".