495439 has 6 divisors (see below), whose sum is σ = 576384. Its totient is φ = 424620.

The previous prime is 495437. The next prime is 495449. The reversal of 495439 is 934594.

495439 = T₁₁₇ + T₁₁₈ + ... + T₁₆₅.

It is not a de Polignac number, because 495439 - 2¹ = 495437 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5007 + ... + 5104.

It is an arithmetic number, because the mean of its divisors is an integer number (96064).

2⁴⁹⁵⁴³⁹ is an apocalyptic number.

495439 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

495439 is a deficient number, since it is larger than the sum of its proper divisors (80945).

495439 is a wasteful number, since it uses less digits than its factorization.

495439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10125 (or 10118 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 495439 is about 703.8742785470. The cubic root of 495439 is about 79.1279771555.

The spelling of 495439 in words is "four hundred ninety-five thousand, four hundred thirty-nine".