489031 has 4 divisors (see below), whose sum is σ = 498312. Its totient is φ = 479752.

The previous prime is 489019. The next prime is 489043. The reversal of 489031 is 130984.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (489019) and next prime (489043).

It is a cyclic number.

It is not a de Polignac number, because 489031 - 2¹³ = 480839 is a prime.

It is a super-2 number, since 2×489031² = 478302637922, which contains 22 as substring.

It is a Duffinian number.

489031 is a lucky number.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 488987 and 489005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4561 + ... + 4666.

It is an arithmetic number, because the mean of its divisors is an integer number (124578).

2⁴⁸⁹⁰³¹ is an apocalyptic number.

489031 is a deficient number, since it is larger than the sum of its proper divisors (9281).

489031 is an equidigital number, since it uses as much as digits as its factorization.

489031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9280.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 489031 is about 699.3075146171. The cubic root of 489031 is about 78.7853490417.

The spelling of 489031 in words is "four hundred eighty-nine thousand, thirty-one".