8520379 has 8 divisors (see below), whose sum is σ = 10250240. Its totient is φ = 6918696.

The previous prime is 8520359. The next prime is 8520389. The reversal of 8520379 is 9730258.

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

It is a cyclic number.

It is not a de Polignac number, because 8520379 - 2¹¹ = 8518331 is a prime.

8520379 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8520329) 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, 31899 + ... + 32164.

It is an arithmetic number, because the mean of its divisors is an integer number (1281280).

Almost surely, 2^8520379 is an apocalyptic number.

8520379 is a deficient number, since it is larger than the sum of its proper divisors (1729861).

8520379 is a wasteful number, since it uses less digits than its factorization.

8520379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64089.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 8520379 is about 2918.9688247736. The cubic root of 8520379 is about 204.2457230609.

The spelling of 8520379 in words is "eight million, five hundred twenty thousand, three hundred seventy-nine".