473642843 has 4 divisors (see below), whose sum is σ = 475608408. Its totient is φ = 471677280.

The previous prime is 473642837. The next prime is 473642881. The reversal of 473642843 is 348246374.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 473642843 - 2⁶ = 473642779 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 473642843.

It is not an unprimeable number, because it can be changed into a prime (473642443) 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, 982421 + ... + 982902.

It is an arithmetic number, because the mean of its divisors is an integer number (118902102).

Almost surely, 2^473642843 is an apocalyptic number.

473642843 is a deficient number, since it is larger than the sum of its proper divisors (1965565).

473642843 is a wasteful number, since it uses less digits than its factorization.

473642843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965564.

The product of its digits is 387072, while the sum is 41.

The square root of 473642843 is about 21763.3371292180. The cubic root of 473642843 is about 779.5015679307.

The spelling of 473642843 in words is "four hundred seventy-three million, six hundred forty-two thousand, eight hundred forty-three".