492740 has 24 divisors (see below), whose sum is σ = 1052352. Its totient is φ = 193760.

The previous prime is 492731. The next prime is 492757. The reversal of 492740 is 47294.

It is an unprimeable number.

492740 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, 1247 + ... + 1593.

It is an arithmetic number, because the mean of its divisors is an integer number (43848).

2⁴⁹²⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

492740 is an abundant number, since it is smaller than the sum of its proper divisors (559612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

492740 is a wasteful number, since it uses less digits than its factorization.

492740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 492740 is about 701.9544144743. The cubic root of 492740 is about 78.9840271077.

The spelling of 492740 in words is "four hundred ninety-two thousand, seven hundred forty".