984138 has 8 divisors (see below), whose sum is σ = 1968288. Its totient is φ = 328044.

The previous prime is 984127. The next prime is 984149. The reversal of 984138 is 831489.

It is an interprime number because it is at equal distance from previous prime (984127) and next prime (984149).

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

984138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 984099 and 984108.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 984138.

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, 82006 + ... + 82017.

It is an arithmetic number, because the mean of its divisors is an integer number (246036).

2⁹⁸⁴¹³⁸ is an apocalyptic number.

984138 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.

984138 is a wasteful number, since it uses less digits than its factorization.

984138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164028.

The product of its digits is 6912, while the sum is 33.

The square root of 984138 is about 992.0372976859. The cubic root of 984138 is about 99.4684461784.

The spelling of 984138 in words is "nine hundred eighty-four thousand, one hundred thirty-eight".