497405 has 8 divisors (see below), whose sum is σ = 608472. Its totient is φ = 390208.

The previous prime is 497389. The next prime is 497411. The reversal of 497405 is 504794.

It can be written as a sum of positive squares in 4 ways, for example, as 114244 + 383161 = 338^2 + 619^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 497405 - 2⁴ = 497389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674 + ... + 1203.

It is an arithmetic number, because the mean of its divisors is an integer number (76059).

2⁴⁹⁷⁴⁰⁵ is an apocalyptic number.

It is an amenable number.

497405 is a deficient number, since it is larger than the sum of its proper divisors (111067).

497405 is a wasteful number, since it uses less digits than its factorization.

497405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 497405 is about 705.2694520536. The cubic root of 497405 is about 79.2325041735.

The spelling of 497405 in words is "four hundred ninety-seven thousand, four hundred five".