495987 has 8 divisors (see below), whose sum is σ = 684240. Its totient is φ = 319200.

The previous prime is 495983. The next prime is 496007. The reversal of 495987 is 789594.

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

It is not a de Polignac number, because 495987 - 2² = 495983 is a prime.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (495983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2764 + ... + 2937.

It is an arithmetic number, because the mean of its divisors is an integer number (85530).

2⁴⁹⁵⁹⁸⁷ is an apocalyptic number.

495987 is a deficient number, since it is larger than the sum of its proper divisors (188253).

495987 is a wasteful number, since it uses less digits than its factorization.

495987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5733.

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

The square root of 495987 is about 704.2634450261. The cubic root of 495987 is about 79.1571406205.

The spelling of 495987 in words is "four hundred ninety-five thousand, nine hundred eighty-seven".