499081 has 8 divisors (see below), whose sum is σ = 554400. Its totient is φ = 445440.

The previous prime is 499067. The next prime is 499099. The reversal of 499081 is 180994.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499081 is a prime.

It is a super-2 number, since 2×499081² = 498163689122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499021) 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 7 ways as a sum of consecutive naturals, for example, 265 + ... + 1033.

It is an arithmetic number, because the mean of its divisors is an integer number (69300).

2⁴⁹⁹⁰⁸¹ is an apocalyptic number.

It is an amenable number.

499081 is a deficient number, since it is larger than the sum of its proper divisors (55319).

499081 is a wasteful number, since it uses less digits than its factorization.

499081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 499081 is about 706.4566511825. The cubic root of 499081 is about 79.3213953900.

The spelling of 499081 in words is "four hundred ninety-nine thousand, eighty-one".