842594 has 8 divisors (see below), whose sum is σ = 1287900. Its totient is φ = 413296.

The previous prime is 842587. The next prime is 842599. The reversal of 842594 is 495248.

It can be written as a sum of positive squares in 2 ways, for example, as 833569 + 9025 = 913^2 + 95^2 .

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

It is a plaindrome in base 13 and base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 842594.

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 3 ways as a sum of consecutive naturals, for example, 3869 + ... + 4080.

2⁸⁴²⁵⁹⁴ is an apocalyptic number.

842594 is a deficient number, since it is larger than the sum of its proper divisors (445306).

842594 is a wasteful number, since it uses less digits than its factorization.

842594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8004.

The product of its digits is 11520, while the sum is 32.

The square root of 842594 is about 917.9291911689. The cubic root of 842594 is about 94.4509043896.

The spelling of 842594 in words is "eight hundred forty-two thousand, five hundred ninety-four".