874842 has 8 divisors (see below), whose sum is σ = 1749696. Its totient is φ = 291612.

The previous prime is 874831. The next prime is 874847. The reversal of 874842 is 248478.

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

874842 is an admirable number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (874847) by changing a digit.

874842 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 72898 + ... + 72909.

It is an arithmetic number, because the mean of its divisors is an integer number (218712).

2⁸⁷⁴⁸⁴² is an apocalyptic number.

874842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

874842 is a wasteful number, since it uses less digits than its factorization.

874842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145812.

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

The square root of 874842 is about 935.3298883282. The cubic root of 874842 is about 95.6408017801.

The spelling of 874842 in words is "eight hundred seventy-four thousand, eight hundred forty-two".