384005138 has 8 divisors (see below), whose sum is σ = 628372080. Its totient is φ = 174547780.

The previous prime is 384005137. The next prime is 384005161. The reversal of 384005138 is 831500483.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (384005137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8727368 + ... + 8727411.

It is an arithmetic number, because the mean of its divisors is an integer number (78546510).

Almost surely, 2^384005138 is an apocalyptic number.

384005138 is a deficient number, since it is larger than the sum of its proper divisors (244366942).

384005138 is a wasteful number, since it uses less digits than its factorization.

384005138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17454792.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 384005138 is about 19596.0490405592. The cubic root of 384005138 is about 726.8514789120.

The spelling of 384005138 in words is "three hundred eighty-four million, five thousand, one hundred thirty-eight".