8648623 has 4 divisors (see below), whose sum is σ = 8657568. Its totient is φ = 8639680.

The previous prime is 8648557. The next prime is 8648677. The reversal of 8648623 is 3268468.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8648623 - 2⁹ = 8648111 is a prime.

It is a super-2 number, since 2×8648623² = 149597359592258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8648323) 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, 2818 + ... + 5023.

It is an arithmetic number, because the mean of its divisors is an integer number (2164392).

Almost surely, 2^8648623 is an apocalyptic number.

8648623 is a deficient number, since it is larger than the sum of its proper divisors (8945).

8648623 is a wasteful number, since it uses less digits than its factorization.

8648623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8944.

The product of its digits is 55296, while the sum is 37.

The square root of 8648623 is about 2940.8541276303. The cubic root of 8648623 is about 205.2653553602.

The spelling of 8648623 in words is "eight million, six hundred forty-eight thousand, six hundred twenty-three".