8638475 has 12 divisors (see below), whose sum is σ = 10764936. Its totient is φ = 6876480.

The previous prime is 8638471. The next prime is 8638477. The reversal of 8638475 is 5748368.

It is a happy number.

It is not a de Polignac number, because 8638475 - 2² = 8638471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8638471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5084 + ... + 6566.

It is an arithmetic number, because the mean of its divisors is an integer number (897078).

Almost surely, 2^8638475 is an apocalyptic number.

8638475 is a deficient number, since it is larger than the sum of its proper divisors (2126461).

8638475 is a wasteful number, since it uses less digits than its factorization.

8638475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726 (or 1721 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 8638475 is about 2939.1282721242. The cubic root of 8638475 is about 205.1850401440.

The spelling of 8638475 in words is "eight million, six hundred thirty-eight thousand, four hundred seventy-five".