492189 has 8 divisors (see below), whose sum is σ = 659520. Its totient is φ = 326496.

The previous prime is 492113. The next prime is 492227. The reversal of 492189 is 981294.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 492189 - 2⁷ = 492061 is a prime.

It is an alternating number because its digits alternate between even and odd.

492189 is a Rhonda number in base 16.

492189 is a lucky number.

It is a plaindrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492389) 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, 849 + ... + 1305.

It is an arithmetic number, because the mean of its divisors is an integer number (82440).

2⁴⁹²¹⁸⁹ is an apocalyptic number.

It is an amenable number.

492189 is a deficient number, since it is larger than the sum of its proper divisors (167331).

492189 is a wasteful number, since it uses less digits than its factorization.

492189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819.

The product of its digits is 5184, while the sum is 33.

The square root of 492189 is about 701.5618290643. The cubic root of 492189 is about 78.9545751784.

The spelling of 492189 in words is "four hundred ninety-two thousand, one hundred eighty-nine".