383134427 has 4 divisors (see below), whose sum is σ = 412606320. Its totient is φ = 353662536.

The previous prime is 383134417. The next prime is 383134469. The reversal of 383134427 is 724431383.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724431383 = 13 ⋅55725491.

It is a cyclic number.

It is not a de Polignac number, because 383134427 - 2¹² = 383130331 is a prime.

It is a super-3 number, since 3×383134427³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (383134417) 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 3 ways as a sum of consecutive naturals, for example, 14735927 + ... + 14735952.

It is an arithmetic number, because the mean of its divisors is an integer number (103151580).

Almost surely, 2^383134427 is an apocalyptic number.

383134427 is a deficient number, since it is larger than the sum of its proper divisors (29471893).

383134427 is a wasteful number, since it uses less digits than its factorization.

383134427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29471892.

The product of its digits is 48384, while the sum is 35.

The square root of 383134427 is about 19573.8199388878. The cubic root of 383134427 is about 726.3016976222.

The spelling of 383134427 in words is "three hundred eighty-three million, one hundred thirty-four thousand, four hundred twenty-seven".