384564133 has 4 divisors (see below), whose sum is σ = 393943788. Its totient is φ = 375184480.

The previous prime is 384564091. The next prime is 384564139. The reversal of 384564133 is 331465483.

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 88792929 + 295771204 = 9423^2 + 17198^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-384564133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 384564092 and 384564101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384564139) 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, 4689766 + ... + 4689847.

It is an arithmetic number, because the mean of its divisors is an integer number (98485947).

Almost surely, 2^384564133 is an apocalyptic number.

It is an amenable number.

384564133 is a deficient number, since it is larger than the sum of its proper divisors (9379655).

384564133 is an equidigital number, since it uses as much as digits as its factorization.

384564133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9379654.

The product of its digits is 103680, while the sum is 37.

The square root of 384564133 is about 19610.3068053511. The cubic root of 384564133 is about 727.2039996716.

The spelling of 384564133 in words is "three hundred eighty-four million, five hundred sixty-four thousand, one hundred thirty-three".