495399 has 4 divisors (see below), whose sum is σ = 660536. Its totient is φ = 330264.

The previous prime is 495389. The next prime is 495401. The reversal of 495399 is 993594.

It is a happy number.

495399 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 495399 - 2¹¹ = 493351 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82564 + ... + 82569.

It is an arithmetic number, because the mean of its divisors is an integer number (165134).

2⁴⁹⁵³⁹⁹ is an apocalyptic number.

495399 is a deficient number, since it is larger than the sum of its proper divisors (165137).

495399 is a wasteful number, since it uses less digits than its factorization.

495399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165136.

The product of its digits is 43740, while the sum is 39.

The square root of 495399 is about 703.8458638083. The cubic root of 495399 is about 79.1258475934.

The spelling of 495399 in words is "four hundred ninety-five thousand, three hundred ninety-nine".