1984109312 has 36 divisors (see below), whose sum is σ = 4067527296. Its totient is φ = 965237760.

The previous prime is 1984109297. The next prime is 1984109339. The reversal of 1984109312 is 2139014891.

It is a super-2 number, since 2×1984109312² = 7873379523930226688, which contains 22 as substring.

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, 95264 + ... + 114207.

Almost surely, 2^1984109312 is an apocalyptic number.

It is an amenable number.

1984109312 is an abundant number, since it is smaller than the sum of its proper divisors (2083417984).

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

1984109312 is an equidigital number, since it uses as much as digits as its factorization.

1984109312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209524 (or 209510 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 1984109312 is about 44543.3419491623. The cubic root of 1984109312 is about 1256.5753378581.

The spelling of 1984109312 in words is "one billion, nine hundred eighty-four million, one hundred nine thousand, three hundred twelve".