8321379 has 8 divisors (see below), whose sum is σ = 12103872. Its totient is φ = 5043240.

The previous prime is 8321359. The next prime is 8321389. The reversal of 8321379 is 9731238.

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

It is not a de Polignac number, because 8321379 - 2⁸ = 8321123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 252163 = 8321379 / (8 + 3 + 2 + 1 + 3 + 7 + 9).

8321379 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8321309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126049 + ... + 126114.

It is an arithmetic number, because the mean of its divisors is an integer number (1512984).

Almost surely, 2^8321379 is an apocalyptic number.

8321379 is a deficient number, since it is larger than the sum of its proper divisors (3782493).

8321379 is a wasteful number, since it uses less digits than its factorization.

8321379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252177.

The product of its digits is 9072, while the sum is 33.

The square root of 8321379 is about 2884.6800515828. The cubic root of 8321379 is about 202.6430752323.

It can be divided in two parts, 832 and 1379, that added together give a triangular number (2211 = T₆₆).

The spelling of 8321379 in words is "eight million, three hundred twenty-one thousand, three hundred seventy-nine".