492811 has 8 divisors (see below), whose sum is σ = 546048. Its totient is φ = 441000.

The previous prime is 492799. The next prime is 492839. The reversal of 492811 is 118294.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 492811 - 2⁹ = 492299 is a prime.

It is a Duffinian number.

492811 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (492871) 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, 466 + ... + 1096.

It is an arithmetic number, because the mean of its divisors is an integer number (68256).

2⁴⁹²⁸¹¹ is an apocalyptic number.

492811 is a deficient number, since it is larger than the sum of its proper divisors (53237).

492811 is a wasteful number, since it uses less digits than its factorization.

492811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713.

The product of its digits is 576, while the sum is 25.

The square root of 492811 is about 702.0049857373. The cubic root of 492811 is about 78.9878205867.

The spelling of 492811 in words is "four hundred ninety-two thousand, eight hundred eleven".