842874 has 16 divisors (see below), whose sum is σ = 1715040. Its totient is φ = 276080.

The previous prime is 842869. The next prime is 842879. The reversal of 842874 is 478248.

It is an interprime number because it is at equal distance from previous prime (842869) and next prime (842879).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 842874.

It is not an unprimeable number, because it can be changed into a prime (842879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 837 + ... + 1544.

It is an arithmetic number, because the mean of its divisors is an integer number (107190).

2⁸⁴²⁸⁷⁴ is an apocalyptic number.

842874 is an abundant number, since it is smaller than the sum of its proper divisors (872166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

842874 is a wasteful number, since it uses less digits than its factorization.

842874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445.

The product of its digits is 14336, while the sum is 33.

The square root of 842874 is about 918.0816957112. The cubic root of 842874 is about 94.4613654675.

The spelling of 842874 in words is "eight hundred forty-two thousand, eight hundred seventy-four".