842850 has 36 divisors (see below), whose sum is σ = 2265666. Its totient is φ = 224640.

The previous prime is 842819. The next prime is 842857. The reversal of 842850 is 58248.

842850 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 370881 + 471969 = 609^2 + 687^2 .

It is a super-2 number, since 2×842850² = 1420792245000, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842857) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 487 + ... + 1386.

2⁸⁴²⁸⁵⁰ is an apocalyptic number.

842850 is an abundant number, since it is smaller than the sum of its proper divisors (1422816).

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

842850 is a wasteful number, since it uses less digits than its factorization.

842850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891 (or 1883 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 842850 is about 918.0686248860. The cubic root of 842850 is about 94.4604688944.

The spelling of 842850 in words is "eight hundred forty-two thousand, eight hundred fifty".