626887 has 2 divisors, whose sum is σ = 626888. Its totient is φ = 626886.

The previous prime is 626861. The next prime is 626917. The reversal of 626887 is 788626.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 626887 - 2¹¹ = 624839 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (626837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313443 + 313444.

It is an arithmetic number, because the mean of its divisors is an integer number (313444).

2⁶²⁶⁸⁸⁷ is an apocalyptic number.

626887 is a deficient number, since it is larger than the sum of its proper divisors (1).

626887 is an equidigital number, since it uses as much as digits as its factorization.

626887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 37.

The square root of 626887 is about 791.7619591771. The cubic root of 626887 is about 85.5847568717.

The spelling of 626887 in words is "six hundred twenty-six thousand, eight hundred eighty-seven".