492489 has 6 divisors (see below), whose sum is σ = 711386. Its totient is φ = 328320.

The previous prime is 492487. The next prime is 492491. The reversal of 492489 is 984294.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (492487) and next prime (492491).

It can be written as a sum of positive squares in only one way, i.e., 455625 + 36864 = 675^2 + 192^2 .

It is not a de Polignac number, because 492489 - 2¹ = 492487 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492487) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27352 + ... + 27369.

2⁴⁹²⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

492489 is a deficient number, since it is larger than the sum of its proper divisors (218897).

492489 is a wasteful number, since it uses less digits than its factorization.

492489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54727 (or 54724 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 492489 is about 701.7756051616. The cubic root of 492489 is about 78.9706134358.

The spelling of 492489 in words is "four hundred ninety-two thousand, four hundred eighty-nine".