383481379 has 4 divisors (see below), whose sum is σ = 383526000. Its totient is φ = 383436760.

The previous prime is 383481361. The next prime is 383481391. The reversal of 383481379 is 973184383.

It is a happy 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, and also an emirpimes, since its reverse is a distinct semiprime: 973184383 = 9463 ⋅102841.

It is a cyclic number.

It is not a de Polignac number, because 383481379 - 2¹⁷ = 383350307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (383488379) 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, 4879 + ... + 28120.

It is an arithmetic number, because the mean of its divisors is an integer number (95881500).

Almost surely, 2^383481379 is an apocalyptic number.

383481379 is a deficient number, since it is larger than the sum of its proper divisors (44621).

383481379 is a wasteful number, since it uses less digits than its factorization.

383481379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44620.

The product of its digits is 435456, while the sum is 46.

The square root of 383481379 is about 19582.6805877030. The cubic root of 383481379 is about 726.5208685645.

The spelling of 383481379 in words is "three hundred eighty-three million, four hundred eighty-one thousand, three hundred seventy-nine".