492447 has 4 divisors (see below), whose sum is σ = 656600. Its totient is φ = 328296.

The previous prime is 492431. The next prime is 492463. The reversal of 492447 is 744294.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (492431) and next prime (492463).

It is not a de Polignac number, because 492447 - 2⁴ = 492431 is a prime.

It is a D-number.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492467) 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, 82072 + ... + 82077.

It is an arithmetic number, because the mean of its divisors is an integer number (164150).

2⁴⁹²⁴⁴⁷ is an apocalyptic number.

492447 is a deficient number, since it is larger than the sum of its proper divisors (164153).

492447 is a wasteful number, since it uses less digits than its factorization.

492447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164152.

The product of its digits is 8064, while the sum is 30.

The square root of 492447 is about 701.7456804285. The cubic root of 492447 is about 78.9683684720.

It can be divided in two parts, 492 and 447, that added together give a palindrome (939).

The spelling of 492447 in words is "four hundred ninety-two thousand, four hundred forty-seven".