850380 has 24 divisors (see below), whose sum is σ = 2381232. Its totient is φ = 226752.

The previous prime is 850373. The next prime is 850387. The reversal of 850380 is 83058.

It is an interprime number because it is at equal distance from previous prime (850373) and next prime (850387).

It is a super-2 number, since 2×850380² = 1446292288800, which contains 22 as substring.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 850380.

It is not an unprimeable number, because it can be changed into a prime (850387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7027 + ... + 7146.

It is an arithmetic number, because the mean of its divisors is an integer number (99218).

2⁸⁵⁰³⁸⁰ is an apocalyptic number.

It is an amenable number.

850380 is an abundant number, since it is smaller than the sum of its proper divisors (1530852).

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

850380 is a wasteful number, since it uses less digits than its factorization.

850380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14185 (or 14183 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 850380 is about 922.1605066365. The cubic root of 850380 is about 94.7409377697.

The spelling of 850380 in words is "eight hundred fifty thousand, three hundred eighty".