23804890 has 8 divisors (see below), whose sum is σ = 42848820. Its totient is φ = 9521952.

The previous prime is 23804881. The next prime is 23804909. The reversal of 23804890 is 9840832.

It can be written as a sum of positive squares in 2 ways, for example, as 23396569 + 408321 = 4837^2 + 639^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1190235 + ... + 1190254.

Almost surely, 2^23804890 is an apocalyptic number.

23804890 is a deficient number, since it is larger than the sum of its proper divisors (19043930).

23804890 is a wasteful number, since it uses less digits than its factorization.

23804890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380496.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 23804890 is about 4879.0255174574. The cubic root of 23804890 is about 287.6661270502. Note that the first 3 decimals are identical.

The spelling of 23804890 in words is "twenty-three million, eight hundred four thousand, eight hundred ninety".