850560 has 64 divisors (see below), whose sum is σ = 2717280. Its totient is φ = 226304.

The previous prime is 850537. The next prime is 850567. The reversal of 850560 is 65058.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 850560.

It is not an unprimeable number, because it can be changed into a prime (850567) by changing a digit.

850560 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1699 + ... + 2141.

2⁸⁵⁰⁵⁶⁰ is an apocalyptic number.

850560 is a gapful number since it is divisible by the number (80) 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 850560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1358640).

850560 is an abundant number, since it is smaller than the sum of its proper divisors (1866720).

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

850560 is a wasteful number, since it uses less digits than its factorization.

850560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 850560 is about 922.2580983651. The cubic root of 850560 is about 94.7476219053.

The spelling of 850560 in words is "eight hundred fifty thousand, five hundred sixty".