471906831 has 16 divisors (see below), whose sum is σ = 708553728. Its totient is φ = 276777600.

The previous prime is 471906823. The next prime is 471906863. The reversal of 471906831 is 138609174.

It is not a de Polignac number, because 471906831 - 2³ = 471906823 is a prime.

It is a super-2 number, since 2×471906831² = 445392114288925122, 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 471906831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471904831) 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 15 ways as a sum of consecutive naturals, for example, 229626 + ... + 231671.

It is an arithmetic number, because the mean of its divisors is an integer number (44284608).

Almost surely, 2^471906831 is an apocalyptic number.

471906831 is a deficient number, since it is larger than the sum of its proper divisors (236646897).

471906831 is a wasteful number, since it uses less digits than its factorization.

471906831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461342.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 471906831 is about 21723.4166511624. The cubic root of 471906831 is about 778.5480500601.

The spelling of 471906831 in words is "four hundred seventy-one million, nine hundred six thousand, eight hundred thirty-one".