384345583938 has 24 divisors (see below), whose sum is σ = 842781886128. Its totient is φ = 126571637592.

The previous prime is 384345583859. The next prime is 384345583957. The reversal of 384345583938 is 839385543483.

It is a happy number.

384345583938 is a `hidden beast` number, since 3 + 8 + 4 + 3 + 45 + 583 + 9 + 3 + 8 = 666.

It is a super-3 number, since 3×384345583938³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 128628220 + ... + 128631207.

It is an arithmetic number, because the mean of its divisors is an integer number (35115911922).

Almost surely, 2^384345583938 is an apocalyptic number.

384345583938 is an abundant number, since it is smaller than the sum of its proper divisors (458436302190).

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

384345583938 is a wasteful number, since it uses less digits than its factorization.

384345583938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257259518 (or 257259515 counting only the distinct ones).

The product of its digits is 149299200, while the sum is 63.

The spelling of 384345583938 in words is "three hundred eighty-four billion, three hundred forty-five million, five hundred eighty-three thousand, nine hundred thirty-eight".