492889 has 4 divisors (see below), whose sum is σ = 503424. Its totient is φ = 482356.

The previous prime is 492883. The next prime is 492893. The reversal of 492889 is 988294.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 988294 = 2 ⋅494147.

It is a cyclic number.

It is not a de Polignac number, because 492889 - 2⁷ = 492761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5197 + ... + 5290.

It is an arithmetic number, because the mean of its divisors is an integer number (125856).

2⁴⁹²⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

492889 is a deficient number, since it is larger than the sum of its proper divisors (10535).

492889 is a wasteful number, since it uses less digits than its factorization.

492889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10534.

The product of its digits is 41472, while the sum is 40.

The square root of 492889 is about 702.0605387002. The cubic root of 492889 is about 78.9919876508.

Adding to 492889 its product of digits (41472), we get a square (534361 = 731²).

The spelling of 492889 in words is "four hundred ninety-two thousand, eight hundred eighty-nine".