626841 has 18 divisors (see below), whose sum is σ = 965822. Its totient is φ = 391680.

The previous prime is 626837. The next prime is 626861. The reversal of 626841 is 148626.

626841 is nontrivially palindromic in base 2 and base 16.

It can be written as a sum of positive squares in 3 ways, for example, as 335241 + 291600 = 579^2 + 540^2 .

It is not a de Polignac number, because 626841 - 2² = 626837 is a prime.

It is a Duffinian number.

It is a Curzon number.

626841 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (626861) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2481 + ... + 2721.

2⁶²⁶⁸⁴¹ is an apocalyptic number.

It is an amenable number.

626841 is a deficient number, since it is larger than the sum of its proper divisors (338981).

626841 is a wasteful number, since it uses less digits than its factorization.

626841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 261 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 626841 is about 791.7329095093. The cubic root of 626841 is about 85.5826634614.

It can be divided in two parts, 62 and 6841, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 626841 in words is "six hundred twenty-six thousand, eight hundred forty-one".