8689975 has 48 divisors (see below), whose sum is σ = 13713408. Its totient is φ = 5322240.

The previous prime is 8689969. The next prime is 8689979. The reversal of 8689975 is 5799868.

8689975 = 196² + 197² + ... + 322².

It is not a de Polignac number, because 8689975 - 2⁵ = 8689943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8689979) 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 47 ways as a sum of consecutive naturals, for example, 68362 + ... + 68488.

It is an arithmetic number, because the mean of its divisors is an integer number (285696).

Almost surely, 2^8689975 is an apocalyptic number.

8689975 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

8689975 is a deficient number, since it is larger than the sum of its proper divisors (5023433).

8689975 is a wasteful number, since it uses less digits than its factorization.

8689975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 179 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 52.

The square root of 8689975 is about 2947.8763542591. The cubic root of 8689975 is about 205.5919831012.

The spelling of 8689975 in words is "eight million, six hundred eighty-nine thousand, nine hundred seventy-five".