999471 has 16 divisors (see below), whose sum is σ = 1502208. Its totient is φ = 585600.

The previous prime is 999451. The next prime is 999491. The reversal of 999471 is 174999.

999471 is nontrivially palindromic in base 2.

999471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (999451) and next prime (999491).

It is not a de Polignac number, because 999471 - 2¹⁸ = 737327 is a prime.

It is a super-3 number, since 3×999471³ = 2995241518124892333, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535 + ... + 1511.

It is an arithmetic number, because the mean of its divisors is an integer number (93888).

2⁹⁹⁹⁴⁷¹ is an apocalyptic number.

999471 is a deficient number, since it is larger than the sum of its proper divisors (502737).

999471 is a wasteful number, since it uses less digits than its factorization.

999471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022.

The product of its digits is 20412, while the sum is 39.

The square root of 999471 is about 999.7354650106. The cubic root of 999471 is about 99.9823635564.

The spelling of 999471 in words is "nine hundred ninety-nine thousand, four hundred seventy-one".