384609873 has 8 divisors (see below), whose sum is σ = 512931168. Its totient is φ = 256347584.

The previous prime is 384609871. The next prime is 384609893. The reversal of 384609873 is 378906483.

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 384609873 - 2¹ = 384609871 is a prime.

It is a super-2 number, since 2×384609873² = 295849508818152258, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (384609871) 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, 3790 + ... + 27992.

It is an arithmetic number, because the mean of its divisors is an integer number (64116396).

Almost surely, 2^384609873 is an apocalyptic number.

It is an amenable number.

384609873 is a deficient number, since it is larger than the sum of its proper divisors (128321295).

384609873 is a wasteful number, since it uses less digits than its factorization.

384609873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29503.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 384609873 is about 19611.4729941430. The cubic root of 384609873 is about 727.2328297067.

The spelling of 384609873 in words is "three hundred eighty-four million, six hundred nine thousand, eight hundred seventy-three".