8999975 has 12 divisors (see below), whose sum is σ = 11197200. Its totient is φ = 7176000.

The previous prime is 8999971. The next prime is 8999981. The reversal of 8999975 is 5799998.

It is not a de Polignac number, because 8999975 - 2² = 8999971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8999975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8999971) 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, 14675 + ... + 15275.

It is an arithmetic number, because the mean of its divisors is an integer number (933100).

Almost surely, 2^8999975 is an apocalyptic number.

8999975 is a deficient number, since it is larger than the sum of its proper divisors (2197225).

8999975 is a wasteful number, since it uses less digits than its factorization.

8999975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210 (or 1205 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 56.

The square root of 8999975 is about 2999.9958333304. The cubic root of 8999975 is about 208.0081897047.

The spelling of 8999975 in words is "eight million, nine hundred ninety-nine thousand, nine hundred seventy-five".