8479865 has 8 divisors (see below), whose sum is σ = 10228680. Its totient is φ = 6748672.

The previous prime is 8479853. The next prime is 8479883. The reversal of 8479865 is 5689748.

It can be written as a sum of positive squares in 4 ways, for example, as 1982464 + 6497401 = 1408^2 + 2549^2 .

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 8479865 - 2⁸ = 8479609 is a prime.

It is a super-2 number, since 2×8479865² = 143816220836450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3320 + ... + 5289.

It is an arithmetic number, because the mean of its divisors is an integer number (1278585).

Almost surely, 2^8479865 is an apocalyptic number.

It is an amenable number.

8479865 is a deficient number, since it is larger than the sum of its proper divisors (1748815).

8479865 is a wasteful number, since it uses less digits than its factorization.

8479865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8811.

The product of its digits is 483840, while the sum is 47.

The square root of 8479865 is about 2912.0207760248. The cubic root of 8479865 is about 203.9214823425.

The spelling of 8479865 in words is "eight million, four hundred seventy-nine thousand, eight hundred sixty-five".