495489 has 16 divisors (see below), whose sum is σ = 709632. Its totient is φ = 306768.

The previous prime is 495461. The next prime is 495491. The reversal of 495489 is 984594.

It is not a de Polignac number, because 495489 - 2⁵ = 495457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2884 + ... + 3050.

It is an arithmetic number, because the mean of its divisors is an integer number (44352).

2⁴⁹⁵⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

495489 is a deficient number, since it is larger than the sum of its proper divisors (214143).

495489 is a wasteful number, since it uses less digits than its factorization.

495489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236.

The product of its digits is 51840, while the sum is 39.

The square root of 495489 is about 703.9097953573. The cubic root of 495489 is about 79.1306389468.

The spelling of 495489 in words is "four hundred ninety-five thousand, four hundred eighty-nine".