495789 has 8 divisors (see below), whose sum is σ = 755520. Its totient is φ = 283296.

The previous prime is 495787. The next prime is 495791. The reversal of 495789 is 987594.

It is an interprime number because it is at equal distance from previous prime (495787) and next prime (495791).

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

It is not a de Polignac number, because 495789 - 2¹ = 495787 is a prime.

It is a Curzon number.

It is a plaindrome in base 13.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 495789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495787) 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, 11784 + ... + 11825.

It is an arithmetic number, because the mean of its divisors is an integer number (94440).

2⁴⁹⁵⁷⁸⁹ is an apocalyptic number.

It is an amenable number.

495789 is a deficient number, since it is larger than the sum of its proper divisors (259731).

495789 is a wasteful number, since it uses less digits than its factorization.

495789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23619.

The product of its digits is 90720, while the sum is 42.

The square root of 495789 is about 704.1228585978. The cubic root of 495789 is about 79.1466059358.

The spelling of 495789 in words is "four hundred ninety-five thousand, seven hundred eighty-nine".