23889806 has 4 divisors (see below), whose sum is σ = 35834712. Its totient is φ = 11944902.

The previous prime is 23889797. The next prime is 23889829. The reversal of 23889806 is 60898832.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5972450 + ... + 5972453.

It is an arithmetic number, because the mean of its divisors is an integer number (8958678).

Almost surely, 2^23889806 is an apocalyptic number.

23889806 is a deficient number, since it is larger than the sum of its proper divisors (11944906).

23889806 is a wasteful number, since it uses less digits than its factorization.

23889806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11944905.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 23889806 is about 4887.7199183259. The cubic root of 23889806 is about 288.0077721025.

The spelling of 23889806 in words is "twenty-three million, eight hundred eighty-nine thousand, eight hundred six".