626680 has 16 divisors (see below), whose sum is σ = 1410120. Its totient is φ = 250656.

The previous prime is 626663. The next prime is 626683. The reversal of 626680 is 86626.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626683) 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, 7794 + ... + 7873.

2⁶²⁶⁶⁸⁰ is an apocalyptic number.

It is an amenable number.

626680 is an abundant number, since it is smaller than the sum of its proper divisors (783440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

626680 is a wasteful number, since it uses less digits than its factorization.

626680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15678 (or 15674 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 626680 is about 791.6312272769. The cubic root of 626680 is about 85.5753357188.

The spelling of 626680 in words is "six hundred twenty-six thousand, six hundred eighty".