495858 has 24 divisors (see below), whose sum is σ = 1091664. Its totient is φ = 150040.

The previous prime is 495851. The next prime is 495877. The reversal of 495858 is 858594.

495858 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 495858.

It is not an unprimeable number, because it can be changed into a prime (495851) by changing a digit.

495858 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385 + ... + 1067.

It is an arithmetic number, because the mean of its divisors is an integer number (45486).

2⁴⁹⁵⁸⁵⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545832).

495858 is an abundant number, since it is smaller than the sum of its proper divisors (595806).

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

495858 is a wasteful number, since it uses less digits than its factorization.

495858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 699 counting only the distinct ones).

The product of its digits is 57600, while the sum is 39.

The square root of 495858 is about 704.1718540243. The cubic root of 495858 is about 79.1502774322.

The spelling of 495858 in words is "four hundred ninety-five thousand, eight hundred fifty-eight".