1984709349 has 12 divisors (see below), whose sum is σ = 3276345696. Its totient is φ = 1134119592.

The previous prime is 1984709303. The next prime is 1984709407. The reversal of 1984709349 is 9439074891.

It is not a de Polignac number, because 1984709349 - 2⁸ = 1984709093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1984709295 and 1984709304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1984709549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15751599 + ... + 15751724.

It is an arithmetic number, because the mean of its divisors is an integer number (273028808).

Almost surely, 2^1984709349 is an apocalyptic number.

It is an amenable number.

1984709349 is a deficient number, since it is larger than the sum of its proper divisors (1291636347).

1984709349 is a wasteful number, since it uses less digits than its factorization.

1984709349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31503336 (or 31503333 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 1984709349 is about 44550.0768686206. The cubic root of 1984709349 is about 1256.7019968240.

The spelling of 1984709349 in words is "one billion, nine hundred eighty-four million, seven hundred nine thousand, three hundred forty-nine".