492048239 has 2 divisors, whose sum is σ = 492048240. Its totient is φ = 492048238.

The previous prime is 492048233. The next prime is 492048317. The reversal of 492048239 is 932840294.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 492048239 - 2¹² = 492044143 is a prime.

It is a super-2 number, since 2×492048239² = 484222939006002242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 492048196 and 492048205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492048233) by changing a digit.

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 as a sum of consecutive naturals, namely, 246024119 + 246024120.

It is an arithmetic number, because the mean of its divisors is an integer number (246024120).

Almost surely, 2^492048239 is an apocalyptic number.

492048239 is a deficient number, since it is larger than the sum of its proper divisors (1).

492048239 is an equidigital number, since it uses as much as digits as its factorization.

492048239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 492048239 is about 22182.1603772040. The cubic root of 492048239 is about 789.4704772814.

The spelling of 492048239 in words is "four hundred ninety-two million, forty-eight thousand, two hundred thirty-nine".