984939 has 8 divisors (see below), whose sum is σ = 1317840. Its totient is φ = 654336.

The previous prime is 984931. The next prime is 984947. The reversal of 984939 is 939489.

It is an interprime number because it is at equal distance from previous prime (984931) and next prime (984947).

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

It is not a de Polignac number, because 984939 - 2³ = 984931 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 984939.

It is not an unprimeable number, because it can be changed into a prime (984931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1419 + ... + 1995.

It is an arithmetic number, because the mean of its divisors is an integer number (164730).

2⁹⁸⁴⁹³⁹ is an apocalyptic number.

984939 is a deficient number, since it is larger than the sum of its proper divisors (332901).

984939 is a wasteful number, since it uses less digits than its factorization.

984939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149.

The product of its digits is 69984, while the sum is 42.

The square root of 984939 is about 992.4409302321. The cubic root of 984939 is about 99.4954249893.

It can be divided in two parts, 9 and 84939, that added together give a palindrome (84948).

The spelling of 984939 in words is "nine hundred eighty-four thousand, nine hundred thirty-nine".