626923 has 4 divisors (see below), whose sum is σ = 683928. Its totient is φ = 569920.

The previous prime is 626921. The next prime is 626929. The reversal of 626923 is 329626.

626923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 626923 - 2¹ = 626921 is a prime.

It is a Duffinian number.

626923 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 626891 and 626900.

It is not an unprimeable number, because it can be changed into a prime (626921) 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, 28486 + ... + 28507.

It is an arithmetic number, because the mean of its divisors is an integer number (170982).

2⁶²⁶⁹²³ is an apocalyptic number.

626923 is a deficient number, since it is larger than the sum of its proper divisors (57005).

626923 is a wasteful number, since it uses less digits than its factorization.

626923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57004.

The product of its digits is 3888, while the sum is 28.

The square root of 626923 is about 791.7846929564. The cubic root of 626923 is about 85.5863951214.

The spelling of 626923 in words is "six hundred twenty-six thousand, nine hundred twenty-three".