8478669 has 8 divisors (see below), whose sum is σ = 11327040. Its totient is φ = 5641376.

The previous prime is 8478667. The next prime is 8478671. The reversal of 8478669 is 9668748.

It is an interprime number because it is at equal distance from previous prime (8478667) and next prime (8478671).

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 8478669 - 2¹ = 8478667 is a prime.

It is a super-2 number, since 2×8478669² = 143775656023122, which contains 22 as substring.

8478669 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 777 + ... + 4190.

It is an arithmetic number, because the mean of its divisors is an integer number (1415880).

Almost surely, 2^8478669 is an apocalyptic number.

It is an amenable number.

8478669 is a deficient number, since it is larger than the sum of its proper divisors (2848371).

8478669 is a wasteful number, since it uses less digits than its factorization.

8478669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5539.

The product of its digits is 580608, while the sum is 48.

The square root of 8478669 is about 2911.8154131057. The cubic root of 8478669 is about 203.9118948644.

The spelling of 8478669 in words is "eight million, four hundred seventy-eight thousand, six hundred sixty-nine".