627841 has 2 divisors, whose sum is σ = 627842. Its totient is φ = 627840.

The previous prime is 627811. The next prime is 627859. The reversal of 627841 is 148726.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 540225 + 87616 = 735^2 + 296^2 .

It is a cyclic number.

It is not a de Polignac number, because 627841 - 2⁹ = 627329 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (627811) by changing a digit.

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, 313920 + 313921.

It is an arithmetic number, because the mean of its divisors is an integer number (313921).

2⁶²⁷⁸⁴¹ is an apocalyptic number.

It is an amenable number.

627841 is a deficient number, since it is larger than the sum of its proper divisors (1).

627841 is an equidigital number, since it uses as much as digits as its factorization.

627841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 28.

The square root of 627841 is about 792.3641839457. The cubic root of 627841 is about 85.6281493150.

The spelling of 627841 in words is "six hundred twenty-seven thousand, eight hundred forty-one".