842900 has 18 divisors (see below), whose sum is σ = 1829310. Its totient is φ = 337120.

The previous prime is 842887. The next prime is 842923. The reversal of 842900 is 9248.

842900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3844 + 839056 = 62^2 + 916^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4115 + ... + 4314.

2⁸⁴²⁹⁰⁰ is an apocalyptic number.

It is an amenable number.

842900 is an abundant number, since it is smaller than the sum of its proper divisors (986410).

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

842900 is a wasteful number, since it uses less digits than its factorization.

842900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8443 (or 8436 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 842900 is about 918.0958555619. The cubic root of 842900 is about 94.4623367357.

The spelling of 842900 in words is "eight hundred forty-two thousand, nine hundred".