850536 has 24 divisors (see below), whose sum is σ = 2303730. Its totient is φ = 283488.

The previous prime is 850529. The next prime is 850537. The reversal of 850536 is 635058.

It can be written as a sum of positive squares in only one way, i.e., 756900 + 93636 = 870^2 + 306^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×850536² = 1446822974592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (850537) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 5835 + ... + 5978.

2⁸⁵⁰⁵³⁶ is an apocalyptic number.

It is an amenable number.

850536 is an abundant number, since it is smaller than the sum of its proper divisors (1453194).

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

850536 is a wasteful number, since it uses less digits than its factorization.

850536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11825 (or 11818 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 850536 is about 922.2450867313. The cubic root of 850536 is about 94.7467307417.

The spelling of 850536 in words is "eight hundred fifty thousand, five hundred thirty-six".