8649375 has 40 divisors (see below), whose sum is σ = 16494720. Its totient is φ = 3948000.

The previous prime is 8649371. The next prime is 8649383. The reversal of 8649375 is 5739468.

It is a happy number.

8649375 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8649375 - 2² = 8649371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8649371) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12796 + ... + 13454.

It is an arithmetic number, because the mean of its divisors is an integer number (412368).

Almost surely, 2^8649375 is an apocalyptic number.

8649375 is a deficient number, since it is larger than the sum of its proper divisors (7845345).

8649375 is an equidigital number, since it uses as much as digits as its factorization.

8649375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 674 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 8649375 is about 2940.9819788635. The cubic root of 8649375 is about 205.2713044796.

It can be divided in two parts, 86493 and 75, that added together give a palindrome (86568).

The spelling of 8649375 in words is "eight million, six hundred forty-nine thousand, three hundred seventy-five".