842604 has 36 divisors (see below), whose sum is σ = 2288664. Its totient is φ = 240576.

The previous prime is 842599. The next prime is 842617. The reversal of 842604 is 406248.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129 + ... + 1304.

It is an arithmetic number, because the mean of its divisors is an integer number (63574).

2⁸⁴²⁶⁰⁴ is an apocalyptic number.

842604 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 842604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1144332).

842604 is an abundant number, since it is smaller than the sum of its proper divisors (1446060).

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

842604 is a wasteful number, since it uses less digits than its factorization.

842604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454 (or 1445 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 842604 is about 917.9346381960. The cubic root of 842604 is about 94.4512780394.

The spelling of 842604 in words is "eight hundred forty-two thousand, six hundred four".