1984200564 has 12 divisors (see below), whose sum is σ = 4629801344. Its totient is φ = 661400184.

The previous prime is 1984200553. The next prime is 1984200599. The reversal of 1984200564 is 4650024891.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82675012 + ... + 82675035.

Almost surely, 2^1984200564 is an apocalyptic number.

It is an amenable number.

1984200564 is an abundant number, since it is smaller than the sum of its proper divisors (2645600780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1984200564 is a wasteful number, since it uses less digits than its factorization.

1984200564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165350054 (or 165350052 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 1984200564 is about 44544.3662431064. The cubic root of 1984200564 is about 1256.5946014565.

The spelling of 1984200564 in words is "one billion, nine hundred eighty-four million, two hundred thousand, five hundred sixty-four".