986534 has 8 divisors (see below), whose sum is σ = 1494480. Its totient is φ = 488376.

The previous prime is 986533. The next prime is 986543. The reversal of 986534 is 435689.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 986494 and 986503.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 986534.

It is not an unprimeable number, because it can be changed into a prime (986533) 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 3 ways as a sum of consecutive naturals, for example, 2189 + ... + 2600.

It is an arithmetic number, because the mean of its divisors is an integer number (186810).

2⁹⁸⁶⁵³⁴ is an apocalyptic number.

986534 is a deficient number, since it is larger than the sum of its proper divisors (507946).

986534 is a wasteful number, since it uses less digits than its factorization.

986534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4894.

The product of its digits is 25920, while the sum is 35.

The square root of 986534 is about 993.2441794443. The cubic root of 986534 is about 99.5491033108.

The spelling of 986534 in words is "nine hundred eighty-six thousand, five hundred thirty-four".