470831 has 2 divisors, whose sum is σ = 470832. Its totient is φ = 470830.

The previous prime is 470819. The next prime is 470837. The reversal of 470831 is 138074.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 470831 - 2¹⁸ = 208687 is a prime.

It is a super-2 number, since 2×470831² = 443363661122, which contains 22 as substring.

It is a Sophie Germain prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 470797 and 470806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (470837) 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 as a sum of consecutive naturals, namely, 235415 + 235416.

It is an arithmetic number, because the mean of its divisors is an integer number (235416).

2⁴⁷⁰⁸³¹ is an apocalyptic number.

470831 is a deficient number, since it is larger than the sum of its proper divisors (1).

470831 is an equidigital number, since it uses as much as digits as its factorization.

470831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 470831 is about 686.1712614209. The cubic root of 470831 is about 77.7955967488.

The spelling of 470831 in words is "four hundred seventy thousand, eight hundred thirty-one".