499217 has 4 divisors (see below), whose sum is σ = 506736. Its totient is φ = 491700.

The previous prime is 499211. The next prime is 499229. The reversal of 499217 is 712994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 499217 - 2⁸ = 498961 is a prime.

It is a super-2 number, since 2×499217² = 498435226178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499211) 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, 3659 + ... + 3792.

It is an arithmetic number, because the mean of its divisors is an integer number (126684).

2⁴⁹⁹²¹⁷ is an apocalyptic number.

It is an amenable number.

499217 is a deficient number, since it is larger than the sum of its proper divisors (7519).

499217 is an equidigital number, since it uses as much as digits as its factorization.

499217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7518.

The product of its digits is 4536, while the sum is 32.

The square root of 499217 is about 706.5528996473. The cubic root of 499217 is about 79.3285997850.

The spelling of 499217 in words is "four hundred ninety-nine thousand, two hundred seventeen".