842104 has 8 divisors (see below), whose sum is σ = 1578960. Its totient is φ = 421048.

The previous prime is 842089. The next prime is 842111. The reversal of 842104 is 401248.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable 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 as a sum of consecutive naturals, namely, 52624 + ... + 52639.

It is an arithmetic number, because the mean of its divisors is an integer number (197370).

2⁸⁴²¹⁰⁴ is an apocalyptic number.

It is an amenable number.

842104 is a deficient number, since it is larger than the sum of its proper divisors (736856).

842104 is a wasteful number, since it uses less digits than its factorization.

842104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105269 (or 105265 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 842104 is about 917.6622472348. The cubic root of 842104 is about 94.4325919254.

It can be divided in two parts, 842 and 104, that added together give a triangular number (946 = T₄₃).

The spelling of 842104 in words is "eight hundred forty-two thousand, one hundred four".