384650385 has 16 divisors (see below), whose sum is σ = 703360896. Its totient is φ = 175840128.

The previous prime is 384650377. The next prime is 384650389. The reversal of 384650385 is 583056483.

It is not a de Polignac number, because 384650385 - 2³ = 384650377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (384650389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1831564 + ... + 1831773.

It is an arithmetic number, because the mean of its divisors is an integer number (43960056).

Almost surely, 2^384650385 is an apocalyptic number.

384650385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

384650385 is a deficient number, since it is larger than the sum of its proper divisors (318710511).

384650385 is a wasteful number, since it uses less digits than its factorization.

384650385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3663352.

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 384650385 is about 19612.5058317391. The cubic root of 384650385 is about 727.2583626116.

The spelling of 384650385 in words is "three hundred eighty-four million, six hundred fifty thousand, three hundred eighty-five".