986545 has 16 divisors (see below), whose sum is σ = 1375488. Its totient is φ = 665280.

The previous prime is 986543. The next prime is 986563. The reversal of 986545 is 545689.

It is not a de Polignac number, because 986545 - 2¹ = 986543 is a prime.

It is a Duffinian number.

Its product of digits (43200) is a multiple of the sum of its prime divisors (480).

It is not an unprimeable number, because it can be changed into a prime (986543) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2287 + ... + 2683.

It is an arithmetic number, because the mean of its divisors is an integer number (85968).

2⁹⁸⁶⁵⁴⁵ is an apocalyptic number.

986545 is the 497-th decagonal number.

It is an amenable number.

986545 is a deficient number, since it is larger than the sum of its proper divisors (388943).

986545 is a wasteful number, since it uses less digits than its factorization.

986545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480.

The product of its digits is 43200, while the sum is 37.

The square root of 986545 is about 993.2497168386. The cubic root of 986545 is about 99.5494733052.

The spelling of 986545 in words is "nine hundred eighty-six thousand, five hundred forty-five".