497878 has 8 divisors (see below), whose sum is σ = 753768. Its totient is φ = 246624.

The previous prime is 497873. The next prime is 497899. The reversal of 497878 is 878794.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497873) by changing a digit.

497878 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 876 + ... + 1327.

It is an arithmetic number, because the mean of its divisors is an integer number (94221).

2⁴⁹⁷⁸⁷⁸ is an apocalyptic number.

497878 is a deficient number, since it is larger than the sum of its proper divisors (255890).

497878 is a wasteful number, since it uses less digits than its factorization.

497878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318.

The product of its digits is 112896, while the sum is 43.

The square root of 497878 is about 705.6047051997. The cubic root of 497878 is about 79.2576112133.

The spelling of 497878 in words is "four hundred ninety-seven thousand, eight hundred seventy-eight".