993471 has 12 divisors (see below), whose sum is σ = 1364616. Its totient is φ = 642880.

The previous prime is 993467. The next prime is 993479. The reversal of 993471 is 174399.

It is not a de Polignac number, because 993471 - 2² = 993467 is a prime.

It is a super-3 number, since 3×993471³ = 2941621815617478333, which contains 333 as substring.

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 993471.

It is not an unprimeable number, because it can be changed into a prime (993479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4945 + ... + 5141.

It is an arithmetic number, because the mean of its divisors is an integer number (113718).

2⁹⁹³⁴⁷¹ is an apocalyptic number.

993471 is a deficient number, since it is larger than the sum of its proper divisors (371145).

993471 is a wasteful number, since it uses less digits than its factorization.

993471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 241 counting only the distinct ones).

The product of its digits is 6804, while the sum is 33.

The square root of 993471 is about 996.7301540537. The cubic root of 993471 is about 99.7818912985.

It can be divided in two parts, 99 and 3471, that added together give a triangular number (3570 = T₈₄).

The spelling of 993471 in words is "nine hundred ninety-three thousand, four hundred seventy-one".