850971 has 16 divisors (see below), whose sum is σ = 1254528. Its totient is φ = 508800.

The previous prime is 850951. The next prime is 850973. The reversal of 850971 is 179058.

It is not a de Polignac number, because 850971 - 2¹¹ = 848923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (850973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3411 + ... + 3651.

It is an arithmetic number, because the mean of its divisors is an integer number (78408).

2⁸⁵⁰⁹⁷¹ is an apocalyptic number.

850971 is a deficient number, since it is larger than the sum of its proper divisors (403557).

850971 is a wasteful number, since it uses less digits than its factorization.

850971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 850971 is about 922.4808941111. The cubic root of 850971 is about 94.7628804808.

The spelling of 850971 in words is "eight hundred fifty thousand, nine hundred seventy-one".