497408 has 36 divisors (see below), whose sum is σ = 1042440. Its totient is φ = 236544.

The previous prime is 497389. The next prime is 497411. The reversal of 497408 is 804794.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 497408.

It is an unprimeable number.

497408 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7391 + ... + 7457.

2⁴⁹⁷⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521220).

497408 is an abundant number, since it is smaller than the sum of its proper divisors (545032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

497408 is an equidigital number, since it uses as much as digits as its factorization.

497408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 497408 is about 705.2715788971. The cubic root of 497408 is about 79.2326634649.

The spelling of 497408 in words is "four hundred ninety-seven thousand, four hundred eight".