492478 has 16 divisors (see below), whose sum is σ = 874080. Its totient is φ = 203616.

The previous prime is 492467. The next prime is 492487. The reversal of 492478 is 874294.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

492478 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201 + ... + 1012.

It is an arithmetic number, because the mean of its divisors is an integer number (54630).

2⁴⁹²⁴⁷⁸ is an apocalyptic number.

492478 is a deficient number, since it is larger than the sum of its proper divisors (381602).

492478 is a wasteful number, since it uses less digits than its factorization.

492478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251.

The product of its digits is 16128, while the sum is 34.

The square root of 492478 is about 701.7677678549. The cubic root of 492478 is about 78.9700254814.

The spelling of 492478 in words is "four hundred ninety-two thousand, four hundred seventy-eight".