475990818 has 8 divisors (see below), whose sum is σ = 951981648. Its totient is φ = 158663604.

The previous prime is 475990817. The next prime is 475990843. The reversal of 475990818 is 818099574.

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

475990818 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (475990817) 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, 39665896 + ... + 39665907.

It is an arithmetic number, because the mean of its divisors is an integer number (118997706).

Almost surely, 2^475990818 is an apocalyptic number.

475990818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

475990818 is a wasteful number, since it uses less digits than its factorization.

475990818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79331808.

The product of its (nonzero) digits is 725760, while the sum is 51.

The square root of 475990818 is about 21817.2138001166. The cubic root of 475990818 is about 780.7875116716.

The spelling of 475990818 in words is "four hundred seventy-five million, nine hundred ninety thousand, eight hundred eighteen".