850542 has 48 divisors (see below), whose sum is σ = 2166912. Its totient is φ = 220080.

The previous prime is 850537. The next prime is 850567. The reversal of 850542 is 245058.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 850542.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3103 + ... + 3365.

It is an arithmetic number, because the mean of its divisors is an integer number (45144).

2⁸⁵⁰⁵⁴² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 850542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1083456).

850542 is an abundant number, since it is smaller than the sum of its proper divisors (1316370).

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

850542 is a wasteful number, since it uses less digits than its factorization.

850542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 850542 is about 922.2483396569. The cubic root of 850542 is about 94.7469535341.

The spelling of 850542 in words is "eight hundred fifty thousand, five hundred forty-two".