978471 has 12 divisors (see below), whose sum is σ = 1522248. Its totient is φ = 602064.

The previous prime is 978463. The next prime is 978473. The reversal of 978471 is 174879.

978471 is nontrivially palindromic in base 12.

It is not a de Polignac number, because 978471 - 2³ = 978463 is a prime.

It is a super-3 number, since 3×978471³ = 2810380544633943333, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978473) 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, 4065 + ... + 4298.

It is an arithmetic number, because the mean of its divisors is an integer number (126854).

2⁹⁷⁸⁴⁷¹ is an apocalyptic number.

978471 is a deficient number, since it is larger than the sum of its proper divisors (543777).

978471 is a wasteful number, since it uses less digits than its factorization.

978471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8382 (or 8379 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 978471 is about 989.1769305842. The cubic root of 978471 is about 99.2771541958.

The spelling of 978471 in words is "nine hundred seventy-eight thousand, four hundred seventy-one".