8623487 has 4 divisors (see below), whose sum is σ = 8901696. Its totient is φ = 8345280.

The previous prime is 8623429. The next prime is 8623519. The reversal of 8623487 is 7843268.

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

It is a cyclic number.

It is not a de Polignac number, because 8623487 - 2⁶ = 8623423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8623487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8623687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139058 + ... + 139119.

It is an arithmetic number, because the mean of its divisors is an integer number (2225424).

Almost surely, 2^8623487 is an apocalyptic number.

8623487 is a deficient number, since it is larger than the sum of its proper divisors (278209).

8623487 is a wasteful number, since it uses less digits than its factorization.

8623487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278208.

The product of its digits is 64512, while the sum is 38.

The square root of 8623487 is about 2936.5774295938. The cubic root of 8623487 is about 205.0663041525.

The spelling of 8623487 in words is "eight million, six hundred twenty-three thousand, four hundred eighty-seven".