853506 has 12 divisors (see below), whose sum is σ = 1849302. Its totient is φ = 284496.

The previous prime is 853493. The next prime is 853529. The reversal of 853506 is 605358.

It can be written as a sum of positive squares in only one way, i.e., 826281 + 27225 = 909^2 + 165^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 853506.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23691 + ... + 23726.

2⁸⁵³⁵⁰⁶ is an apocalyptic number.

853506 is an abundant number, since it is smaller than the sum of its proper divisors (995796).

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

853506 is a wasteful number, since it uses less digits than its factorization.

853506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47425 (or 47422 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 853506 is about 923.8538845510. The cubic root of 853506 is about 94.8568851561.

The spelling of 853506 in words is "eight hundred fifty-three thousand, five hundred six".