492291 has 8 divisors (see below), whose sum is σ = 729360. Its totient is φ = 328176.

The previous prime is 492281. The next prime is 492293. The reversal of 492291 is 192294.

It is not a de Polignac number, because 492291 - 2⁶ = 492227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 18233 = 492291 / (4 + 9 + 2 + 2 + 9 + 1).

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (492293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9090 + ... + 9143.

It is an arithmetic number, because the mean of its divisors is an integer number (91170).

2⁴⁹²²⁹¹ is an apocalyptic number.

492291 is a deficient number, since it is larger than the sum of its proper divisors (237069).

492291 is a wasteful number, since it uses less digits than its factorization.

492291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18242 (or 18236 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 492291 is about 701.6345202454. The cubic root of 492291 is about 78.9600289169.

The spelling of 492291 in words is "four hundred ninety-two thousand, two hundred ninety-one".