850880 has 28 divisors (see below), whose sum is σ = 2026920. Its totient is φ = 340224.

The previous prime is 850879. The next prime is 850891. The reversal of 850880 is 88058.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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 850880.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1010 + ... + 1649.

It is an arithmetic number, because the mean of its divisors is an integer number (72390).

2⁸⁵⁰⁸⁸⁰ is an apocalyptic number.

850880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

850880 is an abundant number, since it is smaller than the sum of its proper divisors (1176040).

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

850880 is a wasteful number, since it uses less digits than its factorization.

850880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676 (or 2666 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 850880 is about 922.4315692776. The cubic root of 850880 is about 94.7595024849.

The spelling of 850880 in words is "eight hundred fifty thousand, eight hundred eighty".