1984423016 has 16 divisors (see below), whose sum is σ = 3727250340. Its totient is φ = 990489600.

The previous prime is 1984422997. The next prime is 1984423019. The reversal of 1984423016 is 6103244891.

It can be written as a sum of positive squares in 2 ways, for example, as 1621672900 + 362750116 = 40270^2 + 19046^2 .

It is not an unprimeable number, because it can be changed into a prime (1984423019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210335 + ... + 219566.

Almost surely, 2^1984423016 is an apocalyptic number.

It is an amenable number.

1984423016 is a deficient number, since it is larger than the sum of its proper divisors (1742827324).

1984423016 is a wasteful number, since it uses less digits than its factorization.

1984423016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430484 (or 430480 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 1984423016 is about 44546.8631443337. The cubic root of 1984423016 is about 1256.6415593333.

The spelling of 1984423016 in words is "one billion, nine hundred eighty-four million, four hundred twenty-three thousand, sixteen".