1984444346 has 4 divisors (see below), whose sum is σ = 2976666522. Its totient is φ = 992222172.

The previous prime is 1984444331. The next prime is 1984444349. The reversal of 1984444346 is 6434444891.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1731475321 + 252969025 = 41611^2 + 15905^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1984444346.

It is not an unprimeable number, because it can be changed into a prime (1984444349) 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 as a sum of consecutive naturals, namely, 496111085 + ... + 496111088.

Almost surely, 2^1984444346 is an apocalyptic number.

1984444346 is a deficient number, since it is larger than the sum of its proper divisors (992222176).

1984444346 is an equidigital number, since it uses as much as digits as its factorization.

1984444346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992222175.

The product of its digits is 1327104, while the sum is 47.

The square root of 1984444346 is about 44547.1025544872. The cubic root of 1984444346 is about 1256.6460617450.

The spelling of 1984444346 in words is "one billion, nine hundred eighty-four million, four hundred forty-four thousand, three hundred forty-six".