8379561 has 8 divisors (see below), whose sum is σ = 11244544. Its totient is φ = 5550480.

The previous prime is 8379557. The next prime is 8379563. The reversal of 8379561 is 1659738.

8379561 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 8379561 - 2² = 8379557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8379563) 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, 8425 + ... + 9366.

It is an arithmetic number, because the mean of its divisors is an integer number (1405568).

Almost surely, 2^8379561 is an apocalyptic number.

It is an amenable number.

8379561 is a deficient number, since it is larger than the sum of its proper divisors (2864983).

8379561 is a wasteful number, since it uses less digits than its factorization.

8379561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17951.

The product of its digits is 45360, while the sum is 39.

The square root of 8379561 is about 2894.7471392161. The cubic root of 8379561 is about 203.1142634483.

The spelling of 8379561 in words is "eight million, three hundred seventy-nine thousand, five hundred sixty-one".