8381330 has 8 divisors (see below), whose sum is σ = 15086412. Its totient is φ = 3352528.

The previous prime is 8381311. The next prime is 8381333. The reversal of 8381330 is 331838.

It can be written as a sum of positive squares in 2 ways, for example, as 8369449 + 11881 = 2893^2 + 109^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 8381330.

It is not an unprimeable number, because it can be changed into a prime (8381333) 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, 419057 + ... + 419076.

Almost surely, 2^8381330 is an apocalyptic number.

8381330 is a deficient number, since it is larger than the sum of its proper divisors (6705082).

8381330 is a wasteful number, since it uses less digits than its factorization.

8381330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838140.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 8381330 is about 2895.0526765501. The cubic root of 8381330 is about 203.1285555196.

The spelling of 8381330 in words is "eight million, three hundred eighty-one thousand, three hundred thirty".