855526 has 16 divisors (see below), whose sum is σ = 1495584. Its totient is φ = 359424.

The previous prime is 855521. The next prime is 855527. The reversal of 855526 is 625558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855521) by changing a digit.

855526 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 7 ways as a sum of consecutive naturals, for example, 166 + ... + 1318.

It is an arithmetic number, because the mean of its divisors is an integer number (93474).

2⁸⁵⁵⁵²⁶ is an apocalyptic number.

855526 is a deficient number, since it is larger than the sum of its proper divisors (640058).

855526 is a wasteful number, since it uses less digits than its factorization.

855526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215.

The product of its digits is 12000, while the sum is 31.

The square root of 855526 is about 924.9464849385. The cubic root of 855526 is about 94.9316590667.

It can be divided in two parts, 85552 and 6, that added together give a palindrome (85558).

The spelling of 855526 in words is "eight hundred fifty-five thousand, five hundred twenty-six".