8396623 has 4 divisors (see below), whose sum is σ = 8890560. Its totient is φ = 7902688.

The previous prime is 8396617. The next prime is 8396639. The reversal of 8396623 is 3266938.

It is a happy number.

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

It is not a de Polignac number, because 8396623 - 2⁹ = 8396111 is a prime.

It is a d-powerful number, because it can be written as 8 + 3 + 9 + 6³ + 6⁵ + 2²³ + 3 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8396693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246943 + ... + 246976.

It is an arithmetic number, because the mean of its divisors is an integer number (2222640).

Almost surely, 2^8396623 is an apocalyptic number.

8396623 is a deficient number, since it is larger than the sum of its proper divisors (493937).

8396623 is a wasteful number, since it uses less digits than its factorization.

8396623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493936.

The product of its digits is 46656, while the sum is 37.

The square root of 8396623 is about 2897.6927028241. The cubic root of 8396623 is about 203.2520266759.

The spelling of 8396623 in words is "eight million, three hundred ninety-six thousand, six hundred twenty-three".