23998646 has 8 divisors (see below), whose sum is σ = 41140560. Its totient is φ = 10285128.

The previous prime is 23998643. The next prime is 23998669. The reversal of 23998646 is 64689932.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23998646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23998643) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 857081 + ... + 857108.

It is an arithmetic number, because the mean of its divisors is an integer number (5142570).

Almost surely, 2^23998646 is an apocalyptic number.

23998646 is a deficient number, since it is larger than the sum of its proper divisors (17141914).

23998646 is a wasteful number, since it uses less digits than its factorization.

23998646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714198.

The product of its digits is 559872, while the sum is 47.

The square root of 23998646 is about 4898.8412915709. The cubic root of 23998646 is about 288.4444894986. Note that the first 4 decimals are identical.

The spelling of 23998646 in words is "twenty-three million, nine hundred ninety-eight thousand, six hundred forty-six".