23264487 has 6 divisors (see below), whose sum is σ = 33604272. Its totient is φ = 15509652.

The previous prime is 23264471. The next prime is 23264491. The reversal of 23264487 is 78446232.

23264487 is a `hidden beast` number, since 2 + 3 + 2 + 644 + 8 + 7 = 666.

It is not a de Polignac number, because 23264487 - 2⁴ = 23264471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23264447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1292463 + ... + 1292480.

It is an arithmetic number, because the mean of its divisors is an integer number (5600712).

Almost surely, 2^23264487 is an apocalyptic number.

23264487 is a deficient number, since it is larger than the sum of its proper divisors (10339785).

23264487 is a wasteful number, since it uses less digits than its factorization.

23264487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584949 (or 2584946 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 23264487 is about 4823.3273784805. The cubic root of 23264487 is about 285.4726414119.

The spelling of 23264487 in words is "twenty-three million, two hundred sixty-four thousand, four hundred eighty-seven".