989481 has 8 divisors (see below), whose sum is σ = 1341184. Its totient is φ = 648720.

The previous prime is 989479. The next prime is 989507. The reversal of 989481 is 184989.

989481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 989481 - 2¹ = 989479 is a prime.

It is a super-2 number, since 2×989481² = 1958145298722, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 989481.

It is not an unprimeable number, because it can be changed into a prime (989411) 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, 2521 + ... + 2886.

It is an arithmetic number, because the mean of its divisors is an integer number (167648).

2⁹⁸⁹⁴⁸¹ is an apocalyptic number.

It is an amenable number.

989481 is a deficient number, since it is larger than the sum of its proper divisors (351703).

989481 is a wasteful number, since it uses less digits than its factorization.

989481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5471.

The product of its digits is 20736, while the sum is 39.

The square root of 989481 is about 994.7265956030. The cubic root of 989481 is about 99.6481299939.

The spelling of 989481 in words is "nine hundred eighty-nine thousand, four hundred eighty-one".