49830239 has 2 divisors, whose sum is σ = 49830240. Its totient is φ = 49830238.

The previous prime is 49830233. The next prime is 49830257. The reversal of 49830239 is 93203894.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49830239 - 2⁴ = 49830223 is a prime.

It is a super-3 number, since 3×49830239³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49830233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24915119 + 24915120.

It is an arithmetic number, because the mean of its divisors is an integer number (24915120).

Almost surely, 2^49830239 is an apocalyptic number.

49830239 is a deficient number, since it is larger than the sum of its proper divisors (1).

49830239 is an equidigital number, since it uses as much as digits as its factorization.

49830239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 49830239 is about 7059.0536901202. The cubic root of 49830239 is about 367.9857405273.

The spelling of 49830239 in words is "forty-nine million, eight hundred thirty thousand, two hundred thirty-nine".