9930938384 has 10 divisors (see below), whose sum is σ = 19241193150. Its totient is φ = 4965469184.

The previous prime is 9930938383. The next prime is 9930938419. The reversal of 9930938384 is 4838390399.

It can be written as a sum of positive squares in only one way, i.e., 9500790784 + 430147600 = 97472^2 + 20740^2 .

It is not an unprimeable number, because it can be changed into a prime (9930938383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310341809 + ... + 310341840.

It is an arithmetic number, because the mean of its divisors is an integer number (1924119315).

Almost surely, 2^9930938384 is an apocalyptic number.

It is an amenable number.

9930938384 is a deficient number, since it is larger than the sum of its proper divisors (9310254766).

9930938384 is a wasteful number, since it uses less digits than its factorization.

9930938384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620683657 (or 620683651 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 56.

The square root of 9930938384 is about 99654.0936640337. The cubic root of 9930938384 is about 2149.4636039918.

The spelling of 9930938384 in words is "nine billion, nine hundred thirty million, nine hundred thirty-eight thousand, three hundred eighty-four".