842593 has 8 divisors (see below), whose sum is σ = 902720. Its totient is φ = 784080.

The previous prime is 842587. The next prime is 842599. The reversal of 842593 is 395248.

It is an interprime number because it is at equal distance from previous prime (842587) and next prime (842599).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 842593 - 2⁹ = 842081 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13 and base 15.

It is not an unprimeable number, because it can be changed into a prime (842599) 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 in 7 ways as a sum of consecutive naturals, for example, 796 + ... + 1522.

It is an arithmetic number, because the mean of its divisors is an integer number (112840).

2⁸⁴²⁵⁹³ is an apocalyptic number.

It is an amenable number.

842593 is a deficient number, since it is larger than the sum of its proper divisors (60127).

842593 is a wasteful number, since it uses less digits than its factorization.

842593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807.

The product of its digits is 8640, while the sum is 31.

The square root of 842593 is about 917.9286464644. The cubic root of 842593 is about 94.4508670245.

The spelling of 842593 in words is "eight hundred forty-two thousand, five hundred ninety-three".