1984442346 has 96 divisors (see below), whose sum is σ = 4833354240. Its totient is φ = 585379872.

The previous prime is 1984442329. The next prime is 1984442347. The reversal of 1984442346 is 6432444891.

It is a super-2 number, since 2×1984442346² = 7876022849195967432, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1984442347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 335305 + ... + 341171.

It is an arithmetic number, because the mean of its divisors is an integer number (50347440).

Almost surely, 2^1984442346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1984442346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2416677120).

1984442346 is an abundant number, since it is smaller than the sum of its proper divisors (2848911894).

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

1984442346 is a wasteful number, since it uses less digits than its factorization.

1984442346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5960 (or 5957 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 1984442346 is about 44547.0801063324. The cubic root of 1984442346 is about 1256.6456395793.

The spelling of 1984442346 in words is "one billion, nine hundred eighty-four million, four hundred forty-two thousand, three hundred forty-six".