384945415 has 8 divisors (see below), whose sum is σ = 486246960. Its totient is φ = 291748032.

The previous prime is 384945403. The next prime is 384945419. The reversal of 384945415 is 514549483.

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

It is a cyclic number.

It is not a de Polignac number, because 384945415 - 2¹⁹ = 384421127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384945419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2025934 + ... + 2026123.

It is an arithmetic number, because the mean of its divisors is an integer number (60780870).

Almost surely, 2^384945415 is an apocalyptic number.

384945415 is a deficient number, since it is larger than the sum of its proper divisors (101301545).

384945415 is a wasteful number, since it uses less digits than its factorization.

384945415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4052081.

The product of its digits is 345600, while the sum is 43.

The square root of 384945415 is about 19620.0258664457. The cubic root of 384945415 is about 727.4442528029. Note that the first 3 decimals are identical.

The spelling of 384945415 in words is "three hundred eighty-four million, nine hundred forty-five thousand, four hundred fifteen".