985526 has 4 divisors (see below), whose sum is σ = 1478292. Its totient is φ = 492762.

The previous prime is 985519. The next prime is 985529. The reversal of 985526 is 625589.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×985526² = 1942522993352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985529) by changing a digit.

985526 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 as a sum of consecutive naturals, namely, 246380 + ... + 246383.

It is an arithmetic number, because the mean of its divisors is an integer number (369573).

2⁹⁸⁵⁵²⁶ is an apocalyptic number.

985526 is a deficient number, since it is larger than the sum of its proper divisors (492766).

985526 is a wasteful number, since it uses less digits than its factorization.

985526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492765.

The product of its digits is 21600, while the sum is 35.

The square root of 985526 is about 992.7366216676. The cubic root of 985526 is about 99.5151866923.

The spelling of 985526 in words is "nine hundred eighty-five thousand, five hundred twenty-six".