8381379 has 4 divisors (see below), whose sum is σ = 11175176. Its totient is φ = 5587584.

The previous prime is 8381371. The next prime is 8381393. The reversal of 8381379 is 9731838.

8381379 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8381379 - 2³ = 8381371 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (8381371) 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, 1396894 + ... + 1396899.

It is an arithmetic number, because the mean of its divisors is an integer number (2793794).

Almost surely, 2^8381379 is an apocalyptic number.

8381379 is a deficient number, since it is larger than the sum of its proper divisors (2793797).

8381379 is a wasteful number, since it uses less digits than its factorization.

8381379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793796.

The product of its digits is 36288, while the sum is 39.

The square root of 8381379 is about 2895.0611392508. The cubic root of 8381379 is about 203.1289513709.

The spelling of 8381379 in words is "eight million, three hundred eighty-one thousand, three hundred seventy-nine".