808623 has 20 divisors (see below), whose sum is σ = 1234200. Its totient is φ = 527472.

The previous prime is 808603. The next prime is 808627. The reversal of 808623 is 326808.

It is not a de Polignac number, because 808623 - 2⁶ = 808559 is a prime.

It is a super-2 number, since 2×808623² = 1307742312258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808627) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5353 + ... + 5501.

It is an arithmetic number, because the mean of its divisors is an integer number (61710).

2⁸⁰⁸⁶²³ is an apocalyptic number.

808623 is a deficient number, since it is larger than the sum of its proper divisors (425577).

808623 is a wasteful number, since it uses less digits than its factorization.

808623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 808623 is about 899.2346745983. The cubic root of 808623 is about 93.1641222647.

It can be divided in two parts, 808 and 623, that added together give a triangular number (1431 = T₅₃).

The spelling of 808623 in words is "eight hundred eight thousand, six hundred twenty-three".