489247 has 8 divisors (see below), whose sum is σ = 541440. Its totient is φ = 438360.

The previous prime is 489241. The next prime is 489257. The reversal of 489247 is 742984.

It is a happy number.

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 489247 - 2³ = 489239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489241) 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, 588 + ... + 1150.

It is an arithmetic number, because the mean of its divisors is an integer number (67680).

2⁴⁸⁹²⁴⁷ is an apocalyptic number.

489247 is a deficient number, since it is larger than the sum of its proper divisors (52193).

489247 is a wasteful number, since it uses less digits than its factorization.

489247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653.

The product of its digits is 16128, while the sum is 34.

The square root of 489247 is about 699.4619360623. The cubic root of 489247 is about 78.7969468957.

The spelling of 489247 in words is "four hundred eighty-nine thousand, two hundred forty-seven".