475979 has 8 divisors (see below), whose sum is σ = 550368. Its totient is φ = 403200.

The previous prime is 475973. The next prime is 475991. The reversal of 475979 is 979574.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-475979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (475973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329 + ... + 1029.

It is an arithmetic number, because the mean of its divisors is an integer number (68796).

2⁴⁷⁵⁹⁷⁹ is an apocalyptic number.

475979 is a deficient number, since it is larger than the sum of its proper divisors (74389).

475979 is an equidigital number, since it uses as much as digits as its factorization.

475979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805.

The product of its digits is 79380, while the sum is 41.

The square root of 475979 is about 689.9123132689. The cubic root of 475979 is about 78.0781049766.

The spelling of 475979 in words is "four hundred seventy-five thousand, nine hundred seventy-nine".