499291 has 8 divisors (see below), whose sum is σ = 543200. Its totient is φ = 456192.

The previous prime is 499283. The next prime is 499309. The reversal of 499291 is 192994.

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

It is a 9-Lehmer number, since φ(499291) divides (499291-1)⁹.

It is a cyclic number.

It is not a de Polignac number, because 499291 - 2³ = 499283 is a prime.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2410 + ... + 2608.

It is an arithmetic number, because the mean of its divisors is an integer number (67900).

2⁴⁹⁹²⁹¹ is an apocalyptic number.

499291 is a deficient number, since it is larger than the sum of its proper divisors (43909).

499291 is a wasteful number, since it uses less digits than its factorization.

499291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405.

The product of its digits is 5832, while the sum is 34.

The square root of 499291 is about 706.6052646280. The cubic root of 499291 is about 79.3325192739.

The spelling of 499291 in words is "four hundred ninety-nine thousand, two hundred ninety-one".