497678 has 4 divisors (see below), whose sum is σ = 746520. Its totient is φ = 248838.

The previous prime is 497677. The next prime is 497689. The reversal of 497678 is 876794.

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

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 (497671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124418 + ... + 124421.

It is an arithmetic number, because the mean of its divisors is an integer number (186630).

2⁴⁹⁷⁶⁷⁸ is an apocalyptic number.

497678 is a deficient number, since it is larger than the sum of its proper divisors (248842).

497678 is a wasteful number, since it uses less digits than its factorization.

497678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248841.

The product of its digits is 84672, while the sum is 41.

The square root of 497678 is about 705.4629685533. The cubic root of 497678 is about 79.2469970700.

The spelling of 497678 in words is "four hundred ninety-seven thousand, six hundred seventy-eight".