916471 has 2 divisors, whose sum is σ = 916472. Its totient is φ = 916470.

The previous prime is 916469. The next prime is 916477. The reversal of 916471 is 174619.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 916471 - 2¹ = 916469 is a prime.

It is a super-3 number, since 3×916471³ = 2309284475554665333, which contains 333 as substring.

Together with 916469, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (916477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458235 + 458236.

It is an arithmetic number, because the mean of its divisors is an integer number (458236).

2⁹¹⁶⁴⁷¹ is an apocalyptic number.

916471 is a deficient number, since it is larger than the sum of its proper divisors (1).

916471 is an equidigital number, since it uses as much as digits as its factorization.

916471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 28.

The square root of 916471 is about 957.3249187188. The cubic root of 916471 is about 97.1343658132.

The spelling of 916471 in words is "nine hundred sixteen thousand, four hundred seventy-one".