49323839 has 2 divisors, whose sum is σ = 49323840. Its totient is φ = 49323838.

The previous prime is 49323763. The next prime is 49323863. The reversal of 49323839 is 93832394.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49323839 - 2⁸ = 49323583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49323796 and 49323805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49323899) 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, 24661919 + 24661920.

It is an arithmetic number, because the mean of its divisors is an integer number (24661920).

Almost surely, 2^49323839 is an apocalyptic number.

49323839 is a deficient number, since it is larger than the sum of its proper divisors (1).

49323839 is an equidigital number, since it uses as much as digits as its factorization.

49323839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 41.

The square root of 49323839 is about 7023.0932643672. The cubic root of 49323839 is about 366.7349416479.

The spelling of 49323839 in words is "forty-nine million, three hundred twenty-three thousand, eight hundred thirty-nine".