495438 has 16 divisors (see below), whose sum is σ = 1005696. Its totient is φ = 162680.

The previous prime is 495437. The next prime is 495449. The reversal of 495438 is 834594.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 495399 and 495408.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 495438.

It is not an unprimeable number, because it can be changed into a prime (495433) 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, 156 + ... + 1007.

It is an arithmetic number, because the mean of its divisors is an integer number (62856).

2⁴⁹⁵⁴³⁸ is an apocalyptic number.

495438 is an abundant number, since it is smaller than the sum of its proper divisors (510258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

495438 is a wasteful number, since it uses less digits than its factorization.

495438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239.

The product of its digits is 17280, while the sum is 33.

The square root of 495438 is about 703.8735681925. The cubic root of 495438 is about 79.1279239178.

The spelling of 495438 in words is "four hundred ninety-five thousand, four hundred thirty-eight".