1999974304 has 24 divisors (see below), whose sum is σ = 4002001668. Its totient is φ = 983592960.

The previous prime is 1999974259. The next prime is 1999974307. The reversal of 1999974304 is 4034799991.

It can be written as a sum of positive squares in 2 ways, for example, as 1685266704 + 314707600 = 41052^2 + 17740^2 .

It is not an unprimeable number, because it can be changed into a prime (1999974307) 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 3 ways as a sum of consecutive naturals, for example, 510337 + ... + 514240.

Almost surely, 2^1999974304 is an apocalyptic number.

It is an amenable number.

1999974304 is an abundant number, since it is smaller than the sum of its proper divisors (2002027364).

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

1999974304 is a wasteful number, since it uses less digits than its factorization.

1999974304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024648 (or 1024640 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 55.

The square root of 1999974304 is about 44721.0722590593. The cubic root of 1999974304 is about 1259.9156540499.

The spelling of 1999974304 in words is "one billion, nine hundred ninety-nine million, nine hundred seventy-four thousand, three hundred four".