869471 has 2 divisors, whose sum is σ = 869472. Its totient is φ = 869470.

The previous prime is 869467. The next prime is 869489. The reversal of 869471 is 174968.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 869471 - 2² = 869467 is a prime.

It is a super-3 number, since 3×869471³ = 1971907589810922333, which contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

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 869471.

It is not a weakly prime, because it can be changed into another prime (869461) 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 as a sum of consecutive naturals, namely, 434735 + 434736.

It is an arithmetic number, because the mean of its divisors is an integer number (434736).

2⁸⁶⁹⁴⁷¹ is an apocalyptic number.

869471 is a deficient number, since it is larger than the sum of its proper divisors (1).

869471 is an equidigital number, since it uses as much as digits as its factorization.

869471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 869471 is about 932.4542884238. The cubic root of 869471 is about 95.4446743314. Note that the first 3 decimals are identical.

Subtracting from 869471 its product of digits (12096), we obtain a cube (857375 = 95³).

The spelling of 869471 in words is "eight hundred sixty-nine thousand, four hundred seventy-one".