984678 has 8 divisors (see below), whose sum is σ = 1969368. Its totient is φ = 328224.

The previous prime is 984667. The next prime is 984689. The reversal of 984678 is 876489.

It is a happy number.

984678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (984667) and next prime (984689).

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

984678 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82051 + ... + 82062.

It is an arithmetic number, because the mean of its divisors is an integer number (246171).

2⁹⁸⁴⁶⁷⁸ is an apocalyptic number.

984678 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

984678 is a wasteful number, since it uses less digits than its factorization.

984678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164118.

The product of its digits is 96768, while the sum is 42.

The square root of 984678 is about 992.3094275477. The cubic root of 984678 is about 99.4866357479.

The spelling of 984678 in words is "nine hundred eighty-four thousand, six hundred seventy-eight".