986677 has 4 divisors (see below), whose sum is σ = 1029600. Its totient is φ = 943756.

The previous prime is 986659. The next prime is 986693. The reversal of 986677 is 776689.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 776689 = 739 ⋅1051.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-986677 is a prime.

It is a Duffinian number.

986677 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (986617) 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, 21427 + ... + 21472.

It is an arithmetic number, because the mean of its divisors is an integer number (257400).

2⁹⁸⁶⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

986677 is a deficient number, since it is larger than the sum of its proper divisors (42923).

986677 is a wasteful number, since it uses less digits than its factorization.

986677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42922.

The product of its digits is 127008, while the sum is 43.

The square root of 986677 is about 993.3161631626. The cubic root of 986677 is about 99.5539130230.

The spelling of 986677 in words is "nine hundred eighty-six thousand, six hundred seventy-seven".