23889746 has 4 divisors (see below), whose sum is σ = 35834622. Its totient is φ = 11944872.

The previous prime is 23889739. The next prime is 23889763. The reversal of 23889746 is 64798832.

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

It can be written as a sum of positive squares in only one way, i.e., 13579225 + 10310521 = 3685^2 + 3211^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23889746.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5972435 + ... + 5972438.

Almost surely, 2^23889746 is an apocalyptic number.

23889746 is a deficient number, since it is larger than the sum of its proper divisors (11944876).

23889746 is a wasteful number, since it uses less digits than its factorization.

23889746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11944875.

The product of its digits is 580608, while the sum is 47.

The square root of 23889746 is about 4887.7137804908. The cubic root of 23889746 is about 288.0075309888.

The spelling of 23889746 in words is "twenty-three million, eight hundred eighty-nine thousand, seven hundred forty-six".