857062 has 4 divisors (see below), whose sum is σ = 1285596. Its totient is φ = 428530.

The previous prime is 857053. The next prime is 857069. The reversal of 857062 is 260758.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 260758 = 2 ⋅130379.

It is a self number, because there is not a number n which added to its sum of digits gives 857062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857069) by changing a digit.

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 as a sum of consecutive naturals, namely, 214264 + ... + 214267.

It is an arithmetic number, because the mean of its divisors is an integer number (321399).

2⁸⁵⁷⁰⁶² is an apocalyptic number.

857062 is a deficient number, since it is larger than the sum of its proper divisors (428534).

857062 is a wasteful number, since it uses less digits than its factorization.

857062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428533.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 857062 is about 925.7764308946. The cubic root of 857062 is about 94.9884381128.

The spelling of 857062 in words is "eight hundred fifty-seven thousand, sixty-two".