842627 has 2 divisors, whose sum is σ = 842628. Its totient is φ = 842626.

The previous prime is 842623. The next prime is 842657. The reversal of 842627 is 726248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 842627 - 2² = 842623 is a prime.

It is a super-2 number, since 2×842627² = 1420040522258, which contains 22 as substring.

It is a Chen prime.

It is equal to p₆₇₀₈₈ and since 842627 and 67088 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 842627.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 842627.

It is not a weakly prime, because it can be changed into another prime (842623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421313 + 421314.

It is an arithmetic number, because the mean of its divisors is an integer number (421314).

2⁸⁴²⁶²⁷ is an apocalyptic number.

842627 is a deficient number, since it is larger than the sum of its proper divisors (1).

842627 is an equidigital number, since it uses as much as digits as its factorization.

842627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 29.

The square root of 842627 is about 917.9471662356. The cubic root of 842627 is about 94.4521374228.

The spelling of 842627 in words is "eight hundred forty-two thousand, six hundred twenty-seven".