984895 has 8 divisors (see below), whose sum is σ = 1251504. Its totient is φ = 741504.

The previous prime is 984881. The next prime is 984911. The reversal of 984895 is 598489.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 984895 - 2⁹ = 984383 is a prime.

It is a super-2 number, since 2×984895² = 1940036322050, which contains 22 as substring.

It is a Duffinian number.

984895 is a lucky number.

It is a zygodrome in base 2.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 984895.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5709 + ... + 5878.

It is an arithmetic number, because the mean of its divisors is an integer number (156438).

2⁹⁸⁴⁸⁹⁵ is an apocalyptic number.

984895 is a deficient number, since it is larger than the sum of its proper divisors (266609).

984895 is a wasteful number, since it uses less digits than its factorization.

984895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11609.

The product of its digits is 103680, while the sum is 43.

The square root of 984895 is about 992.4187624184. The cubic root of 984895 is about 99.4939433870.

It can be divided in two parts, 98 and 4895, that multiplied together give a triangular number (479710 = T₉₇₉).

The spelling of 984895 in words is "nine hundred eighty-four thousand, eight hundred ninety-five".