384615375 has 16 divisors (see below), whose sum is σ = 640000608. Its totient is φ = 205128000.

The previous prime is 384615311. The next prime is 384615397. The reversal of 384615375 is 573516483.

It is not a de Polignac number, because 384615375 - 2⁶ = 384615311 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512446 + ... + 513195.

It is an arithmetic number, because the mean of its divisors is an integer number (40000038).

Almost surely, 2^384615375 is an apocalyptic number.

384615375 is a deficient number, since it is larger than the sum of its proper divisors (255385233).

384615375 is a wasteful number, since it uses less digits than its factorization.

384615375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025659 (or 1025649 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 384615375 is about 19611.6132686732. The cubic root of 384615375 is about 727.2362974768.

The spelling of 384615375 in words is "three hundred eighty-four million, six hundred fifteen thousand, three hundred seventy-five".