384854705 has 4 divisors (see below), whose sum is σ = 461825652. Its totient is φ = 307883760.

The previous prime is 384854681. The next prime is 384854707. The reversal of 384854705 is 507458483.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96805921 + 288048784 = 9839^2 + 16972^2 .

It is not a de Polignac number, because 384854705 - 2⁶ = 384854641 is a prime.

It is a super-2 number, since 2×384854705² = 296226287921274050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384854707) 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, 38485466 + ... + 38485475.

It is an arithmetic number, because the mean of its divisors is an integer number (115456413).

Almost surely, 2^384854705 is an apocalyptic number.

It is an amenable number.

384854705 is a deficient number, since it is larger than the sum of its proper divisors (76970947).

384854705 is an equidigital number, since it uses as much as digits as its factorization.

384854705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76970946.

The product of its (nonzero) digits is 537600, while the sum is 44.

The square root of 384854705 is about 19617.7140615312. The cubic root of 384854705 is about 727.3871090717.

The spelling of 384854705 in words is "three hundred eighty-four million, eight hundred fifty-four thousand, seven hundred five".