492219845 has 8 divisors (see below), whose sum is σ = 636099576. Its totient is φ = 363485376.

The previous prime is 492219823. The next prime is 492219857. The reversal of 492219845 is 548912294.

It can be written as a sum of positive squares in 4 ways, for example, as 6061444 + 486158401 = 2462^2 + 22049^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 492219845 - 2⁶ = 492219781 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 492219796 and 492219805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3786242 + ... + 3786371.

It is an arithmetic number, because the mean of its divisors is an integer number (79512447).

Almost surely, 2^492219845 is an apocalyptic number.

It is an amenable number.

492219845 is a deficient number, since it is larger than the sum of its proper divisors (143879731).

492219845 is a wasteful number, since it uses less digits than its factorization.

492219845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7572631.

The product of its digits is 207360, while the sum is 44.

The square root of 492219845 is about 22186.0281483640. The cubic root of 492219845 is about 789.5622447907.

The spelling of 492219845 in words is "four hundred ninety-two million, two hundred nineteen thousand, eight hundred forty-five".