1984664322 has 16 divisors (see below), whose sum is σ = 4410365280. Its totient is φ = 661554756.

The previous prime is 1984664317. The next prime is 1984664369. The reversal of 1984664322 is 2234664891.

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, 18376468 + ... + 18376575.

It is an arithmetic number, because the mean of its divisors is an integer number (275647830).

Almost surely, 2^1984664322 is an apocalyptic number.

1984664322 is an abundant number, since it is smaller than the sum of its proper divisors (2425700958).

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

1984664322 is a wasteful number, since it uses less digits than its factorization.

1984664322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36753054 (or 36753048 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 1984664322 is about 44549.5715130909. The cubic root of 1984664322 is about 1256.6924931741.

The spelling of 1984664322 in words is "one billion, nine hundred eighty-four million, six hundred sixty-four thousand, three hundred twenty-two".