497842 has 8 divisors (see below), whose sum is σ = 759600. Its totient is φ = 244644.

The previous prime is 497839. The next prime is 497851. The reversal of 497842 is 248794.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 497798 and 497807.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1992 + ... + 2227.

It is an arithmetic number, because the mean of its divisors is an integer number (94950).

2⁴⁹⁷⁸⁴² is an apocalyptic number.

497842 is a deficient number, since it is larger than the sum of its proper divisors (261758).

497842 is a wasteful number, since it uses less digits than its factorization.

497842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4280.

The product of its digits is 16128, while the sum is 34.

The square root of 497842 is about 705.5791947046. The cubic root of 497842 is about 79.2557008773.

The spelling of 497842 in words is "four hundred ninety-seven thousand, eight hundred forty-two".