23986845 has 24 divisors (see below), whose sum is σ = 42594552. Its totient is φ = 12480000.

The previous prime is 23986843. The next prime is 23986891. The reversal of 23986845 is 54868932.

It can be written as a sum of positive squares in 4 ways, for example, as 2056356 + 21930489 = 1434^2 + 4683^2 .

It is not a de Polignac number, because 23986845 - 2¹ = 23986843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 23986845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23986843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4656 + ... + 8345.

It is an arithmetic number, because the mean of its divisors is an integer number (1774773).

Almost surely, 2^23986845 is an apocalyptic number.

It is an amenable number.

23986845 is a deficient number, since it is larger than the sum of its proper divisors (18607707).

23986845 is a wasteful number, since it uses less digits than its factorization.

23986845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13053 (or 13050 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 23986845 is about 4897.6366749689. The cubic root of 23986845 is about 288.3972022264.

The spelling of 23986845 in words is "twenty-three million, nine hundred eighty-six thousand, eight hundred forty-five".