8999471 has 8 divisors (see below), whose sum is σ = 9737280. Its totient is φ = 8268192.

The previous prime is 8999467. The next prime is 8999489. The reversal of 8999471 is 1749998.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8999471 - 2² = 8999467 is a prime.

It is a super-3 number, since 3×8999471³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8999401) 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 in 7 ways as a sum of consecutive naturals, for example, 1466 + ... + 4488.

It is an arithmetic number, because the mean of its divisors is an integer number (1217160).

Almost surely, 2^8999471 is an apocalyptic number.

8999471 is a deficient number, since it is larger than the sum of its proper divisors (737809).

8999471 is a wasteful number, since it uses less digits than its factorization.

8999471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3265.

The product of its digits is 163296, while the sum is 47.

The square root of 8999471 is about 2999.9118320377. The cubic root of 8999471 is about 208.0043068018.

The spelling of 8999471 in words is "eight million, nine hundred ninety-nine thousand, four hundred seventy-one".