855535 has 8 divisors (see below), whose sum is σ = 1031616. Its totient is φ = 681120.

The previous prime is 855527. The next prime is 855581. The reversal of 855535 is 535558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 855535 - 2³ = 855527 is a prime.

It is a super-3 number, since 3×855535³ = 1878601213335766125, which contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 855497 and 855506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1770 + ... + 2200.

It is an arithmetic number, because the mean of its divisors is an integer number (128952).

2⁸⁵⁵⁵³⁵ is an apocalyptic number.

855535 is a deficient number, since it is larger than the sum of its proper divisors (176081).

855535 is a wasteful number, since it uses less digits than its factorization.

855535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833.

The product of its digits is 15000, while the sum is 31.

The square root of 855535 is about 924.9513500720. The cubic root of 855535 is about 94.9319919543.

It can be divided in two parts, 85553 and 5, that added together give a palindrome (85558).

The spelling of 855535 in words is "eight hundred fifty-five thousand, five hundred thirty-five".