492645 has 8 divisors (see below), whose sum is σ = 788256. Its totient is φ = 262736.

The previous prime is 492641. The next prime is 492647. The reversal of 492645 is 546294.

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 492645 - 2² = 492641 is a prime.

It is a Curzon number.

492645 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 492645.

It is not an unprimeable number, because it can be changed into a prime (492641) 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, 16407 + ... + 16436.

It is an arithmetic number, because the mean of its divisors is an integer number (98532).

2⁴⁹²⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

492645 is a deficient number, since it is larger than the sum of its proper divisors (295611).

492645 is a wasteful number, since it uses less digits than its factorization.

492645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32851.

The product of its digits is 8640, while the sum is 30.

The square root of 492645 is about 701.8867430006. The cubic root of 492645 is about 78.9789507558.

The spelling of 492645 in words is "four hundred ninety-two thousand, six hundred forty-five".