626828 has 6 divisors (see below), whose sum is σ = 1096956. Its totient is φ = 313412.

The previous prime is 626809. The next prime is 626833. The reversal of 626828 is 828626.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 626794 and 626803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78350 + ... + 78357.

It is an arithmetic number, because the mean of its divisors is an integer number (182826).

2⁶²⁶⁸²⁸ is an apocalyptic number.

It is an amenable number.

626828 is a deficient number, since it is larger than the sum of its proper divisors (470128).

626828 is a wasteful number, since it uses less digits than its factorization.

626828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156711 (or 156709 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 626828 is about 791.7246996273. The cubic root of 626828 is about 85.5820718269.

The spelling of 626828 in words is "six hundred twenty-six thousand, eight hundred twenty-eight".