984995 has 8 divisors (see below), whose sum is σ = 1289520. Its totient is φ = 716320.

The previous prime is 984959. The next prime is 985003. The reversal of 984995 is 599489.

984995 = 201² + 202² + ... + 222².

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

It is not a de Polignac number, because 984995 - 2⁶ = 984931 is a prime.

It is a congruent number.

It is an unprimeable 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 in 7 ways as a sum of consecutive naturals, for example, 8900 + ... + 9009.

It is an arithmetic number, because the mean of its divisors is an integer number (161190).

2⁹⁸⁴⁹⁹⁵ is an apocalyptic number.

984995 is a deficient number, since it is larger than the sum of its proper divisors (304525).

984995 is a wasteful number, since it uses less digits than its factorization.

984995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17925.

The product of its digits is 116640, while the sum is 44.

The square root of 984995 is about 992.4691430972. The cubic root of 984995 is about 99.4973106013.

The spelling of 984995 in words is "nine hundred eighty-four thousand, nine hundred ninety-five".