8438975 has 12 divisors (see below), whose sum is σ = 10802880. Its totient is φ = 6532800.

The previous prime is 8438959. The next prime is 8438977. The reversal of 8438975 is 5798348.

8438975 = 338² + 339² + ... + 399².

It is not a de Polignac number, because 8438975 - 2⁴ = 8438959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8438977) 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 11 ways as a sum of consecutive naturals, for example, 4670 + ... + 6219.

It is an arithmetic number, because the mean of its divisors is an integer number (900240).

Almost surely, 2^8438975 is an apocalyptic number.

8438975 is a deficient number, since it is larger than the sum of its proper divisors (2363905).

8438975 is a wasteful number, since it uses less digits than its factorization.

8438975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10930 (or 10925 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 8438975 is about 2904.9913941353. The cubic root of 8438975 is about 203.5931835637.

The spelling of 8438975 in words is "eight million, four hundred thirty-eight thousand, nine hundred seventy-five".