984259985 has 8 divisors (see below), whose sum is σ = 1190128896. Its totient is φ = 781396720.

The previous prime is 984259967. The next prime is 984259993. The reversal of 984259985 is 589952489.

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

It is not a de Polignac number, because 984259985 - 2²⁶ = 917151121 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750689 + ... + 751998.

It is an arithmetic number, because the mean of its divisors is an integer number (148766112).

Almost surely, 2^984259985 is an apocalyptic number.

It is an amenable number.

984259985 is a deficient number, since it is larger than the sum of its proper divisors (205868911).

984259985 is a wasteful number, since it uses less digits than its factorization.

984259985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502823.

The product of its digits is 9331200, while the sum is 59.

The square root of 984259985 is about 31372.9180185714. The cubic root of 984259985 is about 994.7255575009.

The spelling of 984259985 in words is "nine hundred eighty-four million, two hundred fifty-nine thousand, nine hundred eighty-five".