1984039916 has 12 divisors (see below), whose sum is σ = 3472412832. Its totient is φ = 991921968.

The previous prime is 1984039913. The next prime is 1984039921. The reversal of 1984039916 is 6199304891.

It is not an unprimeable number, because it can be changed into a prime (1984039913) 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, 39821 + ... + 74523.

It is an arithmetic number, because the mean of its divisors is an integer number (289367736).

Almost surely, 2^1984039916 is an apocalyptic number.

It is an amenable number.

1984039916 is a deficient number, since it is larger than the sum of its proper divisors (1488372916).

1984039916 is a wasteful number, since it uses less digits than its factorization.

1984039916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49000 (or 48998 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 1984039916 is about 44542.5629707138. The cubic root of 1984039916 is about 1256.5606877381.

The spelling of 1984039916 in words is "one billion, nine hundred eighty-four million, thirty-nine thousand, nine hundred sixteen".