626985 has 12 divisors (see below), whose sum is σ = 1086852. Its totient is φ = 334368.

The previous prime is 626963. The next prime is 626987. The reversal of 626985 is 589626.

It can be written as a sum of positive squares in 2 ways, for example, as 488601 + 138384 = 699^2 + 372^2 .

It is not a de Polignac number, because 626985 - 2⁵ = 626953 is a prime.

It is a super-2 number, since 2×626985² = 786220380450, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 626985.

It is not an unprimeable number, because it can be changed into a prime (626987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6922 + ... + 7011.

It is an arithmetic number, because the mean of its divisors is an integer number (90571).

2⁶²⁶⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

626985 is a deficient number, since it is larger than the sum of its proper divisors (459867).

626985 is a wasteful number, since it uses less digits than its factorization.

626985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13944 (or 13941 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 626985 is about 791.8238440461. The cubic root of 626985 is about 85.5892164044.

The spelling of 626985 in words is "six hundred twenty-six thousand, nine hundred eighty-five".