475689 has 4 divisors (see below), whose sum is σ = 634256. Its totient is φ = 317124.

The previous prime is 475681. The next prime is 475691. The reversal of 475689 is 986574.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 475689 - 2³ = 475681 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (475681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79279 + ... + 79284.

It is an arithmetic number, because the mean of its divisors is an integer number (158564).

2⁴⁷⁵⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

475689 is a deficient number, since it is larger than the sum of its proper divisors (158567).

475689 is a wasteful number, since it uses less digits than its factorization.

475689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158566.

The product of its digits is 60480, while the sum is 39.

The square root of 475689 is about 689.7021096096. The cubic root of 475689 is about 78.0622448578.

The spelling of 475689 in words is "four hundred seventy-five thousand, six hundred eighty-nine".