986428 has 6 divisors (see below), whose sum is σ = 1726256. Its totient is φ = 493212.

The previous prime is 986417. The next prime is 986429. The reversal of 986428 is 824689.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (986429) by changing a digit.

986428 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 123300 + ... + 123307.

2⁹⁸⁶⁴²⁸ is an apocalyptic number.

It is an amenable number.

986428 is a deficient number, since it is larger than the sum of its proper divisors (739828).

986428 is a wasteful number, since it uses less digits than its factorization.

986428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246611 (or 246609 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 986428 is about 993.1908175170. The cubic root of 986428 is about 99.5455377696.

The spelling of 986428 in words is "nine hundred eighty-six thousand, four hundred twenty-eight".