986899 has 4 divisors (see below), whose sum is σ = 1020960. Its totient is φ = 952840.

The previous prime is 986857. The next prime is 986903. The reversal of 986899 is 998689.

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

It is a cyclic number.

It is not a de Polignac number, because 986899 - 2¹⁵ = 954131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (986819) 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, 16987 + ... + 17044.

It is an arithmetic number, because the mean of its divisors is an integer number (255240).

2⁹⁸⁶⁸⁹⁹ is an apocalyptic number.

986899 is a deficient number, since it is larger than the sum of its proper divisors (34061).

986899 is a wasteful number, since it uses less digits than its factorization.

986899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34060.

The product of its digits is 279936, while the sum is 49.

The square root of 986899 is about 993.4279037756. The cubic root of 986899 is about 99.5613789284.

The spelling of 986899 in words is "nine hundred eighty-six thousand, eight hundred ninety-nine".