8381355 has 8 divisors (see below), whose sum is σ = 13410192. Its totient is φ = 4470048.

The previous prime is 8381353. The next prime is 8381371. The reversal of 8381355 is 5531838.

8381355 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8381355 - 2¹ = 8381353 is a prime.

It is a super-2 number, since 2×8381355² = 140494223272050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8381353) 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 7 ways as a sum of consecutive naturals, for example, 279364 + ... + 279393.

It is an arithmetic number, because the mean of its divisors is an integer number (1676274).

Almost surely, 2^8381355 is an apocalyptic number.

8381355 is a deficient number, since it is larger than the sum of its proper divisors (5028837).

8381355 is a wasteful number, since it uses less digits than its factorization.

8381355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558765.

The product of its digits is 14400, while the sum is 33.

The square root of 8381355 is about 2895.0569942576. The cubic root of 8381355 is about 203.1287574847.

The spelling of 8381355 in words is "eight million, three hundred eighty-one thousand, three hundred fifty-five".