1949830984 has 8 divisors (see below), whose sum is σ = 3655933110. Its totient is φ = 974915488.

The previous prime is 1949830931. The next prime is 1949831041. The reversal of 1949830984 is 4890389491.

It can be written as a sum of positive squares in only one way, i.e., 1757454084 + 192376900 = 41922^2 + 13870^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121864429 + ... + 121864444.

Almost surely, 2^1949830984 is an apocalyptic number.

It is an amenable number.

1949830984 is a deficient number, since it is larger than the sum of its proper divisors (1706102126).

1949830984 is a wasteful number, since it uses less digits than its factorization.

1949830984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243728879 (or 243728875 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 55.

The square root of 1949830984 is about 44156.8905608173. The cubic root of 1949830984 is about 1249.2968811599.

The spelling of 1949830984 in words is "one billion, nine hundred forty-nine million, eight hundred thirty thousand, nine hundred eighty-four".