853556 has 24 divisors (see below), whose sum is σ = 1716960. Its totient is φ = 367200.

The previous prime is 853547. The next prime is 853571. The reversal of 853556 is 655358.

It is a nialpdrome in base 11.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 853556.

It is an unprimeable number.

853556 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326 + ... + 1346.

It is an arithmetic number, because the mean of its divisors is an integer number (71540).

2⁸⁵³⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

853556 is an abundant number, since it is smaller than the sum of its proper divisors (863404).

It is a weird number, because it is abundant, but not a pseudoperfect number.

853556 is a wasteful number, since it uses less digits than its factorization.

853556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055 (or 1053 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 853556 is about 923.8809447110. The cubic root of 853556 is about 94.8587374187.

The spelling of 853556 in words is "eight hundred fifty-three thousand, five hundred fifty-six".