842995 has 4 divisors (see below), whose sum is σ = 1011600. Its totient is φ = 674392.

The previous prime is 842993. The next prime is 843043. The reversal of 842995 is 599248.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 842995 - 2¹ = 842993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84295 + ... + 84304.

It is an arithmetic number, because the mean of its divisors is an integer number (252900).

2⁸⁴²⁹⁹⁵ is an apocalyptic number.

842995 is a deficient number, since it is larger than the sum of its proper divisors (168605).

842995 is a wasteful number, since it uses less digits than its factorization.

842995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168604.

The product of its digits is 25920, while the sum is 37.

The square root of 842995 is about 918.1475916213. The cubic root of 842995 is about 94.4658854307.

The spelling of 842995 in words is "eight hundred forty-two thousand, nine hundred ninety-five".