8440475 has 12 divisors (see below), whose sum is σ = 10511976. Its totient is φ = 6722880.

The previous prime is 8440457. The next prime is 8440499. The reversal of 8440475 is 5740448.

It is not a de Polignac number, because 8440475 - 2²⁰ = 7391899 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6479 + ... + 7671.

It is an arithmetic number, because the mean of its divisors is an integer number (875998).

Almost surely, 2^8440475 is an apocalyptic number.

8440475 is a deficient number, since it is larger than the sum of its proper divisors (2071501).

8440475 is a wasteful number, since it uses less digits than its factorization.

8440475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486 (or 1481 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 8440475 is about 2905.2495589880. The cubic root of 8440475 is about 203.6052455216.

The spelling of 8440475 in words is "eight million, four hundred forty thousand, four hundred seventy-five".