23804940 has 48 divisors (see below), whose sum is σ = 68957280. Its totient is φ = 6128640.

The previous prime is 23804933. The next prime is 23804971. The reversal of 23804940 is 4940832.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 23804898 and 23804907.

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, 5101 + ... + 8580.

It is an arithmetic number, because the mean of its divisors is an integer number (1436610).

Almost surely, 2^23804940 is an apocalyptic number.

23804940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23804940 is an abundant number, since it is smaller than the sum of its proper divisors (45152340).

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

23804940 is a wasteful number, since it uses less digits than its factorization.

23804940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13722 (or 13720 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 23804940 is about 4879.0306414287. The cubic root of 23804940 is about 287.6663284555. Note that the first 3 decimals are identical.

The spelling of 23804940 in words is "twenty-three million, eight hundred four thousand, nine hundred forty".