626630 has 16 divisors (see below), whose sum is σ = 1137024. Its totient is φ = 248640.

The previous prime is 626629. The next prime is 626663. The reversal of 626630 is 36626.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 626596 and 626605.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2090 + ... + 2370.

It is an arithmetic number, because the mean of its divisors is an integer number (71064).

2⁶²⁶⁶³⁰ is an apocalyptic number.

626630 is a deficient number, since it is larger than the sum of its proper divisors (510394).

626630 is a wasteful number, since it uses less digits than its factorization.

626630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 626630 is about 791.5996462859. The cubic root of 626630 is about 85.5730597669.

The spelling of 626630 in words is "six hundred twenty-six thousand, six hundred thirty".