8628623 has 2 divisors, whose sum is σ = 8628624. Its totient is φ = 8628622.

The previous prime is 8628601. The next prime is 8628629. The reversal of 8628623 is 3268268.

8628623 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8628623 - 2²⁰ = 7580047 is a prime.

It is a super-2 number, since 2×8628623² = 148906269752258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8628629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4314311 + 4314312.

It is an arithmetic number, because the mean of its divisors is an integer number (4314312).

Almost surely, 2^8628623 is an apocalyptic number.

8628623 is a deficient number, since it is larger than the sum of its proper divisors (1).

8628623 is an equidigital number, since it uses as much as digits as its factorization.

8628623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 35.

The square root of 8628623 is about 2937.4517868384. The cubic root of 8628623 is about 205.1070073898.

The spelling of 8628623 in words is "eight million, six hundred twenty-eight thousand, six hundred twenty-three".