8921375 has 16 divisors (see below), whose sum is σ = 11232000. Its totient is φ = 7074400.

The previous prime is 8921371. The next prime is 8921377. The reversal of 8921375 is 5731298.

It is not a de Polignac number, because 8921375 - 2² = 8921371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8921371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18386 + ... + 18864.

It is an arithmetic number, because the mean of its divisors is an integer number (702000).

Almost surely, 2^8921375 is an apocalyptic number.

8921375 is a deficient number, since it is larger than the sum of its proper divisors (2310625).

8921375 is a wasteful number, since it uses less digits than its factorization.

8921375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 633 counting only the distinct ones).

The product of its digits is 15120, while the sum is 35.

The square root of 8921375 is about 2986.8670877694. The cubic root of 8921375 is about 207.4008816781.

The spelling of 8921375 in words is "eight million, nine hundred twenty-one thousand, three hundred seventy-five".