471816 has 24 divisors (see below), whose sum is σ = 1278030. Its totient is φ = 157248.

The previous prime is 471803. The next prime is 471817. The reversal of 471816 is 618174.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 427716 + 44100 = 654^2 + 210^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×471816² = 445220675712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 471816.

It is not an unprimeable number, because it can be changed into a prime (471817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3205 + ... + 3348.

2⁴⁷¹⁸¹⁶ is an apocalyptic number.

It is an amenable number.

471816 is an abundant number, since it is smaller than the sum of its proper divisors (806214).

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

471816 is a wasteful number, since it uses less digits than its factorization.

471816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6565 (or 6558 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 471816 is about 686.8886372623. Note that the first 3 decimals coincide. The cubic root of 471816 is about 77.8498096107.

The spelling of 471816 in words is "four hundred seventy-one thousand, eight hundred sixteen".