1949527984 has 40 divisors (see below), whose sum is σ = 3991641840. Its totient is φ = 919830528.

The previous prime is 1949527981. The next prime is 1949527997. The reversal of 1949527984 is 4897259491.

It is not an unprimeable number, because it can be changed into a prime (1949527981) 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 7 ways as a sum of consecutive naturals, for example, 65652 + ... + 90604.

It is an arithmetic number, because the mean of its divisors is an integer number (99791046).

Almost surely, 2^1949527984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1949527984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1995820920).

1949527984 is an abundant number, since it is smaller than the sum of its proper divisors (2042113856).

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

1949527984 is a wasteful number, since it uses less digits than its factorization.

1949527984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25237 (or 25231 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 58.

The square root of 1949527984 is about 44153.4594794111. The cubic root of 1949527984 is about 1249.2321650268.

The spelling of 1949527984 in words is "one billion, nine hundred forty-nine million, five hundred twenty-seven thousand, nine hundred eighty-four".