986388 has 24 divisors (see below), whose sum is σ = 2479008. Its totient is φ = 303456.

The previous prime is 986369. The next prime is 986411. The reversal of 986388 is 883689.

It is a super-2 number, since 2×986388² = 1945922573088, which contains 22 as substring.

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 986388.

It is an unprimeable number.

986388 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3006 + ... + 3317.

It is an arithmetic number, because the mean of its divisors is an integer number (103292).

2⁹⁸⁶³⁸⁸ is an apocalyptic number.

It is an amenable number.

986388 is an abundant number, since it is smaller than the sum of its proper divisors (1492620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

986388 is a wasteful number, since it uses less digits than its factorization.

986388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6343 (or 6341 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 986388 is about 993.1706801955. The cubic root of 986388 is about 99.5441922159.

The spelling of 986388 in words is "nine hundred eighty-six thousand, three hundred eighty-eight".