471998 has 8 divisors (see below), whose sum is σ = 745320. Its totient is φ = 223560.

The previous prime is 471997. The next prime is 472019. The reversal of 471998 is 899174.

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

It is a super-2 number, since 2×471998² = 445564224008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 12421 = 471998 / (4 + 7 + 1 + 9 + 9 + 8).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 471998.

It is not an unprimeable number, because it can be changed into a prime (471997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6173 + ... + 6248.

It is an arithmetic number, because the mean of its divisors is an integer number (93165).

2⁴⁷¹⁹⁹⁸ is an apocalyptic number.

471998 is a deficient number, since it is larger than the sum of its proper divisors (273322).

471998 is a wasteful number, since it uses less digits than its factorization.

471998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12442.

The product of its digits is 18144, while the sum is 38.

The square root of 471998 is about 687.0211059349. The cubic root of 471998 is about 77.8598183457.

471998 divided by its sum of digits (38) gives a palindrome (12421).

The spelling of 471998 in words is "four hundred seventy-one thousand, nine hundred ninety-eight".