492254489 has 8 divisors (see below), whose sum is σ = 518519040. Its totient is φ = 466025616.

The previous prime is 492254479. The next prime is 492254519. The reversal of 492254489 is 984452294.

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

It is not a de Polignac number, because 492254489 - 2⁴ = 492254473 is a prime.

It is a super-2 number, since 2×492254489² = 484628963881302242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492254449) 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, 22232 + ... + 38454.

It is an arithmetic number, because the mean of its divisors is an integer number (64814880).

Almost surely, 2^492254489 is an apocalyptic number.

It is an amenable number.

492254489 is a deficient number, since it is larger than the sum of its proper divisors (26264551).

492254489 is a wasteful number, since it uses less digits than its factorization.

492254489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17839.

The product of its digits is 829440, while the sum is 47.

The square root of 492254489 is about 22186.8088962789. The cubic root of 492254489 is about 789.5807683244.

The spelling of 492254489 in words is "four hundred ninety-two million, two hundred fifty-four thousand, four hundred eighty-nine".