471861 has 24 divisors (see below), whose sum is σ = 760760. Its totient is φ = 279936.

The previous prime is 471853. The next prime is 471871. The reversal of 471861 is 168174.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 119025 + 352836 = 345^2 + 594^2 .

It is not a de Polignac number, because 471861 - 2³ = 471853 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4275 + ... + 4383.

2⁴⁷¹⁸⁶¹ is an apocalyptic number.

It is an amenable number.

471861 is a deficient number, since it is larger than the sum of its proper divisors (288899).

471861 is a wasteful number, since it uses less digits than its factorization.

471861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 162 counting only the distinct ones).

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

The square root of 471861 is about 686.9213928828. The cubic root of 471861 is about 77.8522845374.

The spelling of 471861 in words is "four hundred seventy-one thousand, eight hundred sixty-one".