857034 has 32 divisors (see below), whose sum is σ = 1944000. Its totient is φ = 279792.

The previous prime is 857029. The next prime is 857039. The reversal of 857034 is 430758.

857034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (857029) and next prime (857039).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 856989 and 857007.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 857034.

It is not an unprimeable number, because it can be changed into a prime (857039) 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, 3052 + ... + 3320.

It is an arithmetic number, because the mean of its divisors is an integer number (60750).

2⁸⁵⁷⁰³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 857034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (972000).

857034 is an abundant number, since it is smaller than the sum of its proper divisors (1086966).

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

857034 is a wasteful number, since it uses less digits than its factorization.

857034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 857034 is about 925.7613083295. The cubic root of 857034 is about 94.9874036854.

The spelling of 857034 in words is "eight hundred fifty-seven thousand, thirty-four".