495447 has 8 divisors (see below), whose sum is σ = 664320. Its totient is φ = 328440.

The previous prime is 495437. The next prime is 495449. The reversal of 495447 is 744594.

It is a happy number.

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

It is not a de Polignac number, because 495447 - 2¹¹ = 493399 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495449) 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 7 ways as a sum of consecutive naturals, for example, 372 + ... + 1062.

It is an arithmetic number, because the mean of its divisors is an integer number (83040).

2⁴⁹⁵⁴⁴⁷ is an apocalyptic number.

495447 is a deficient number, since it is larger than the sum of its proper divisors (168873).

495447 is a wasteful number, since it uses less digits than its factorization.

495447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933.

The product of its digits is 20160, while the sum is 33.

The square root of 495447 is about 703.8799613570. The cubic root of 495447 is about 79.1284030541.

The spelling of 495447 in words is "four hundred ninety-five thousand, four hundred forty-seven".