984487 has 8 divisors (see below), whose sum is σ = 1191456. Its totient is φ = 794112.

The previous prime is 984481. The next prime is 984491. The reversal of 984487 is 784489.

984487 = T₃₆₈ + T₃₆₉ + ... + T₃₈₁.

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

It is a cyclic number.

It is not a de Polignac number, because 984487 - 2⁷ = 984359 is a prime.

984487 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (984481) 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 7 ways as a sum of consecutive naturals, for example, 4018 + ... + 4255.

It is an arithmetic number, because the mean of its divisors is an integer number (148932).

2⁹⁸⁴⁴⁸⁷ is an apocalyptic number.

984487 is a deficient number, since it is larger than the sum of its proper divisors (206969).

984487 is a wasteful number, since it uses less digits than its factorization.

984487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8297.

The product of its digits is 64512, while the sum is 40.

The square root of 984487 is about 992.2131827385. The cubic root of 984487 is about 99.4802027901.

The spelling of 984487 in words is "nine hundred eighty-four thousand, four hundred eighty-seven".