999932471 has 2 divisors, whose sum is σ = 999932472. Its totient is φ = 999932470.

The previous prime is 999932447. The next prime is 999932489. The reversal of 999932471 is 174239999.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999932471 is a prime.

It is a super-3 number, since 3×999932471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999932491) 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, 499966235 + 499966236.

It is an arithmetic number, because the mean of its divisors is an integer number (499966236).

Almost surely, 2^999932471 is an apocalyptic number.

999932471 is a deficient number, since it is larger than the sum of its proper divisors (1).

999932471 is an equidigital number, since it uses as much as digits as its factorization.

999932471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1102248, while the sum is 53.

The square root of 999932471 is about 31621.7088564170. The cubic root of 999932471 is about 999.9774898266.

The spelling of 999932471 in words is "nine hundred ninety-nine million, nine hundred thirty-two thousand, four hundred seventy-one".