809475 has 24 divisors (see below), whose sum is σ = 1374912. Its totient is φ = 420000.

The previous prime is 809461. The next prime is 809491. The reversal of 809475 is 574908.

It is not a de Polignac number, because 809475 - 2⁵ = 809443 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 809475.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3100 + ... + 3350.

It is an arithmetic number, because the mean of its divisors is an integer number (57288).

2⁸⁰⁹⁴⁷⁵ is an apocalyptic number.

809475 is a deficient number, since it is larger than the sum of its proper divisors (565437).

809475 is a wasteful number, since it uses less digits than its factorization.

809475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 809475 is about 899.7082860572. The cubic root of 809475 is about 93.1968313560.

The spelling of 809475 in words is "eight hundred nine thousand, four hundred seventy-five".