492747 has 4 divisors (see below), whose sum is σ = 657000. Its totient is φ = 328496.

The previous prime is 492731. The next prime is 492757. The reversal of 492747 is 747294.

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 492747 - 2⁴ = 492731 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between even and odd.

492747 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (492707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82122 + ... + 82127.

It is an arithmetic number, because the mean of its divisors is an integer number (164250).

2⁴⁹²⁷⁴⁷ is an apocalyptic number.

492747 is a deficient number, since it is larger than the sum of its proper divisors (164253).

492747 is a wasteful number, since it uses less digits than its factorization.

492747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164252.

The product of its digits is 14112, while the sum is 33.

The square root of 492747 is about 701.9594005354. The cubic root of 492747 is about 78.9844011289.

The spelling of 492747 in words is "four hundred ninety-two thousand, seven hundred forty-seven".