985084819 has 8 divisors (see below), whose sum is σ = 1011310272. Its totient is φ = 958964160.

The previous prime is 985084817. The next prime is 985084823. The reversal of 985084819 is 918480589.

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 985084819 - 2¹ = 985084817 is a prime.

It is a super-2 number, since 2×985084819² = 1940784201248525522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (985084813) 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, 6964 + ... + 44929.

It is an arithmetic number, because the mean of its divisors is an integer number (126413784).

Almost surely, 2^985084819 is an apocalyptic number.

985084819 is a deficient number, since it is larger than the sum of its proper divisors (26225453).

985084819 is a wasteful number, since it uses less digits than its factorization.

985084819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52397.

The product of its (nonzero) digits is 829440, while the sum is 52.

The square root of 985084819 is about 31386.0609028913. The cubic root of 985084819 is about 995.0033480523.

The spelling of 985084819 in words is "nine hundred eighty-five million, eighty-four thousand, eight hundred nineteen".