497447 has 4 divisors (see below), whose sum is σ = 501216. Its totient is φ = 493680.

The previous prime is 497423. The next prime is 497449. The reversal of 497447 is 744794.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 744794 = 2 ⋅372397.

It is a cyclic number.

It is not a de Polignac number, because 497447 - 2¹² = 493351 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1679 + ... + 1952.

It is an arithmetic number, because the mean of its divisors is an integer number (125304).

2⁴⁹⁷⁴⁴⁷ is an apocalyptic number.

497447 is a deficient number, since it is larger than the sum of its proper divisors (3769).

497447 is a wasteful number, since it uses less digits than its factorization.

497447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768.

The product of its digits is 28224, while the sum is 35.

The square root of 497447 is about 705.2992272787. The cubic root of 497447 is about 79.2347341950.

The spelling of 497447 in words is "four hundred ninety-seven thousand, four hundred forty-seven".