499497 has 8 divisors (see below), whose sum is σ = 670656. Its totient is φ = 330672.

The previous prime is 499493. The next prime is 499507. The reversal of 499497 is 794994.

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

It is not a de Polignac number, because 499497 - 2² = 499493 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

499497 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 499497.

It is not an unprimeable number, because it can be changed into a prime (499493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3 + ... + 999.

It is an arithmetic number, because the mean of its divisors is an integer number (83832).

2⁴⁹⁹⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

499497 is a deficient number, since it is larger than the sum of its proper divisors (171159).

499497 is a wasteful number, since it uses less digits than its factorization.

499497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167.

The product of its digits is 81648, while the sum is 42.

The square root of 499497 is about 706.7510169784. The cubic root of 499497 is about 79.3434282441.

The spelling of 499497 in words is "four hundred ninety-nine thousand, four hundred ninety-seven".