851058 has 24 divisors (see below), whose sum is σ = 1986348. Its totient is φ = 261792.

The previous prime is 851057. The next prime is 851087. The reversal of 851058 is 850158.

It can be written as a sum of positive squares in 2 ways, for example, as 651249 + 199809 = 807^2 + 447^2 .

It is not an unprimeable number, because it can be changed into a prime (851051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1585 + ... + 2052.

2⁸⁵¹⁰⁵⁸ is an apocalyptic number.

851058 is an abundant number, since it is smaller than the sum of its proper divisors (1135290).

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

851058 is a wasteful number, since it uses less digits than its factorization.

851058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3658 (or 3655 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 851058 is about 922.5280483541. The cubic root of 851058 is about 94.7661097681.

Subtracting from 851058 its reverse (850158), we obtain a square (900 = 30²).

The spelling of 851058 in words is "eight hundred fifty-one thousand, fifty-eight".