8649975 has 48 divisors (see below), whose sum is σ = 15311520. Its totient is φ = 4300800.

The previous prime is 8649973. The next prime is 8650003. The reversal of 8649975 is 5799468.

It is not a de Polignac number, because 8649975 - 2¹ = 8649973 is a prime.

Its product of digits (544320) is a multiple of the sum of its prime factors (180).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8649973) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89127 + ... + 89223.

It is an arithmetic number, because the mean of its divisors is an integer number (318990).

Almost surely, 2^8649975 is an apocalyptic number.

8649975 is a deficient number, since it is larger than the sum of its proper divisors (6661545).

8649975 is a wasteful number, since it uses less digits than its factorization.

8649975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 175 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 8649975 is about 2941.0839838400. The cubic root of 8649975 is about 205.2760508701.

The spelling of 8649975 in words is "eight million, six hundred forty-nine thousand, nine hundred seventy-five".