1238445384 has 64 divisors (see below), whose sum is σ = 3555360000. Its totient is φ = 355533120.

The previous prime is 1238445379. The next prime is 1238445391. The reversal of 1238445384 is 4835448321.

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 in 15 ways as a sum of consecutive naturals, for example, 118434 + ... + 128465.

It is an arithmetic number, because the mean of its divisors is an integer number (55552500).

Almost surely, 2^1238445384 is an apocalyptic number.

It is an amenable number.

1238445384 is an abundant number, since it is smaller than the sum of its proper divisors (2316914616).

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

1238445384 is a wasteful number, since it uses less digits than its factorization.

1238445384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246938 (or 246934 counting only the distinct ones).

The product of its digits is 368640, while the sum is 42.

The square root of 1238445384 is about 35191.5527364167. The cubic root of 1238445384 is about 1073.8879096804.

The spelling of 1238445384 in words is "one billion, two hundred thirty-eight million, four hundred forty-five thousand, three hundred eighty-four".