492247 has 4 divisors (see below), whose sum is σ = 562576. Its totient is φ = 421920.

The previous prime is 492227. The next prime is 492251. The reversal of 492247 is 742294.

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 492247 - 2¹⁵ = 459479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492227) 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 3 ways as a sum of consecutive naturals, for example, 35154 + ... + 35167.

It is an arithmetic number, because the mean of its divisors is an integer number (140644).

2⁴⁹²²⁴⁷ is an apocalyptic number.

492247 is a deficient number, since it is larger than the sum of its proper divisors (70329).

492247 is an equidigital number, since it uses as much as digits as its factorization.

492247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70328.

The product of its digits is 4032, while the sum is 28.

The square root of 492247 is about 701.6031641890. The cubic root of 492247 is about 78.9576764162.

Subtracting 492247 from its reverse (742294), we obtain a cube (250047 = 63³).

The spelling of 492247 in words is "four hundred ninety-two thousand, two hundred forty-seven".