23889850 has 12 divisors (see below), whose sum is σ = 44435214. Its totient is φ = 9555920.

The previous prime is 23889841. The next prime is 23889869. The reversal of 23889850 is 5898832.

It can be written as a sum of positive squares in 3 ways, for example, as 20529961 + 3359889 = 4531^2 + 1833^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23889797 and 23889806.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 238849 + ... + 238948.

Almost surely, 2^23889850 is an apocalyptic number.

23889850 is a deficient number, since it is larger than the sum of its proper divisors (20545364).

23889850 is a wasteful number, since it uses less digits than its factorization.

23889850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477809 (or 477804 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 23889850 is about 4887.7244194001. The cubic root of 23889850 is about 288.0079489190.

The spelling of 23889850 in words is "twenty-three million, eight hundred eighty-nine thousand, eight hundred fifty".