986445 has 16 divisors (see below), whose sum is σ = 1753920. Its totient is φ = 526032.

The previous prime is 986437. The next prime is 986471. The reversal of 986445 is 544689.

986445 is a `hidden beast` number, since 9 + 8 + 644 + 5 = 666.

It is not a de Polignac number, because 986445 - 2³ = 986437 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable 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 15 ways as a sum of consecutive naturals, for example, 3519 + ... + 3788.

It is an arithmetic number, because the mean of its divisors is an integer number (109620).

2⁹⁸⁶⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

986445 is a deficient number, since it is larger than the sum of its proper divisors (767475).

986445 is a wasteful number, since it uses less digits than its factorization.

986445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7321 (or 7315 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 986445 is about 993.1993757549. The cubic root of 986445 is about 99.5461096188.

It can be divided in two parts, 986 and 445, that added together give a triangular number (1431 = T₅₃).

The spelling of 986445 in words is "nine hundred eighty-six thousand, four hundred forty-five".