984955 has 4 divisors (see below), whose sum is σ = 1181952. Its totient is φ = 787960.

The previous prime is 984947. The next prime is 984959. The reversal of 984955 is 559489.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 984955 - 2³ = 984947 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

984955 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (984959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98491 + ... + 98500.

It is an arithmetic number, because the mean of its divisors is an integer number (295488).

2⁹⁸⁴⁹⁵⁵ is an apocalyptic number.

984955 is a deficient number, since it is larger than the sum of its proper divisors (196997).

984955 is a wasteful number, since it uses less digits than its factorization.

984955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196996.

The product of its digits is 64800, while the sum is 40.

The square root of 984955 is about 992.4489911325. The cubic root of 984955 is about 99.4959637429.

The spelling of 984955 in words is "nine hundred eighty-four thousand, nine hundred fifty-five".