499331 has 4 divisors (see below), whose sum is σ = 570672. Its totient is φ = 427992.

The previous prime is 499327. The next prime is 499349. The reversal of 499331 is 133994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 499331 - 2² = 499327 is a prime.

It is a super-2 number, since 2×499331² = 498662895122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 499294 and 499303.

It is not an unprimeable number, because it can be changed into a prime (499321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35660 + ... + 35673.

It is an arithmetic number, because the mean of its divisors is an integer number (142668).

2⁴⁹⁹³³¹ is an apocalyptic number.

499331 is a deficient number, since it is larger than the sum of its proper divisors (71341).

499331 is an equidigital number, since it uses as much as digits as its factorization.

499331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71340.

The product of its digits is 2916, while the sum is 29.

The square root of 499331 is about 706.6335684073. The cubic root of 499331 is about 79.3346377552.

The spelling of 499331 in words is "four hundred ninety-nine thousand, three hundred thirty-one".