384277609 has 3 divisors (see below), whose sum is σ = 384297213. Its totient is φ = 384258006.

The previous prime is 384277601. The next prime is 384277651. The reversal of 384277609 is 906772483.

The square root of 384277609 is 19603.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 384277609 - 2³ = 384277601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384277601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9802 + ... + 29404.

It is an arithmetic number, because the mean of its divisors is an integer number (128099071).

Almost surely, 2^384277609 is an apocalyptic number.

384277609 is the 19603-rd square number.

384277609 is the 9802-nd centered octagonal number.

It is an amenable number.

384277609 is a deficient number, since it is larger than the sum of its proper divisors (19604).

384277609 is an frugal number, since it uses more digits than its factorization.

384277609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39206 (or 19603 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The cubic root of 384277609 is about 727.0233508541.

The spelling of 384277609 in words is "three hundred eighty-four million, two hundred seventy-seven thousand, six hundred nine".