981471 has 8 divisors (see below), whose sum is σ = 1313280. Its totient is φ = 651992.

The previous prime is 981467. The next prime is 981473. The reversal of 981471 is 174189.

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 981471 - 2² = 981467 is a prime.

It is a super-3 number, since 3×981471³ = 2836309830226650333, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1096 + ... + 1778.

It is an arithmetic number, because the mean of its divisors is an integer number (164160).

2⁹⁸¹⁴⁷¹ is an apocalyptic number.

981471 is a deficient number, since it is larger than the sum of its proper divisors (331809).

981471 is a wasteful number, since it uses less digits than its factorization.

981471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165.

The product of its digits is 2016, while the sum is 30.

The square root of 981471 is about 990.6921822645. The cubic root of 981471 is about 99.3785121974.

The spelling of 981471 in words is "nine hundred eighty-one thousand, four hundred seventy-one".