23386916 has 18 divisors (see below), whose sum is σ = 47609478. Its totient is φ = 10022880.

The previous prime is 23386907. The next prime is 23386981. The reversal of 23386916 is 61968332.

It can be written as a sum of positive squares in only one way, i.e., 22657600 + 729316 = 4760^2 + 854^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23386916.

It is a congruent number.

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, 59465 + ... + 59856.

It is an arithmetic number, because the mean of its divisors is an integer number (2644971).

Almost surely, 2^23386916 is an apocalyptic number.

It is an amenable number.

23386916 is an abundant number, since it is smaller than the sum of its proper divisors (24222562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23386916 is a wasteful number, since it uses less digits than its factorization.

23386916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119339 (or 119330 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 23386916 is about 4836.0020678242. The cubic root of 23386916 is about 285.9725306560.

The spelling of 23386916 in words is "twenty-three million, three hundred eighty-six thousand, nine hundred sixteen".