986505 has 16 divisors (see below), whose sum is σ = 1700160. Its totient is φ = 485568.

The previous prime is 986497. The next prime is 986507. The reversal of 986505 is 505689.

986505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 986505 - 2³ = 986497 is a prime.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 986505.

It is not an unprimeable number, because it can be changed into a prime (986507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2335 + ... + 2724.

It is an arithmetic number, because the mean of its divisors is an integer number (106260).

2⁹⁸⁶⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

986505 is a deficient number, since it is larger than the sum of its proper divisors (713655).

986505 is a wasteful number, since it uses less digits than its factorization.

986505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5080.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 986505 is about 993.2295807113. The cubic root of 986505 is about 99.5481278579.

The spelling of 986505 in words is "nine hundred eighty-six thousand, five hundred five".