492418 has 4 divisors (see below), whose sum is σ = 738630. Its totient is φ = 246208.

The previous prime is 492413. The next prime is 492421. The reversal of 492418 is 814294.

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

It can be written as a sum of positive squares in only one way, i.e., 471969 + 20449 = 687^2 + 143^2 .

It is not an unprimeable number, because it can be changed into a prime (492413) by changing a digit.

492418 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 as a sum of consecutive naturals, namely, 123103 + ... + 123106.

2⁴⁹²⁴¹⁸ is an apocalyptic number.

492418 is a deficient number, since it is larger than the sum of its proper divisors (246212).

492418 is a wasteful number, since it uses less digits than its factorization.

492418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246211.

The product of its digits is 2304, while the sum is 28.

The square root of 492418 is about 701.7250173679. The cubic root of 492418 is about 78.9668183033.

The spelling of 492418 in words is "four hundred ninety-two thousand, four hundred eighteen".