8479869 has 4 divisors (see below), whose sum is σ = 11306496. Its totient is φ = 5653244.

The previous prime is 8479853. The next prime is 8479883. The reversal of 8479869 is 9689748.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8479869 - 2⁴ = 8479853 is a prime.

It is a super-2 number, since 2×8479869² = 143816356514322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8479819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1413309 + ... + 1413314.

It is an arithmetic number, because the mean of its divisors is an integer number (2826624).

Almost surely, 2^8479869 is an apocalyptic number.

It is an amenable number.

8479869 is a deficient number, since it is larger than the sum of its proper divisors (2826627).

8479869 is a wasteful number, since it uses less digits than its factorization.

8479869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2826626.

The product of its digits is 870912, while the sum is 51.

The square root of 8479869 is about 2912.0214628330. The cubic root of 8479869 is about 203.9215144061.

The spelling of 8479869 in words is "eight million, four hundred seventy-nine thousand, eight hundred sixty-nine".