48399839 has 2 divisors, whose sum is σ = 48399840. Its totient is φ = 48399838.

The previous prime is 48399829. The next prime is 48399847. The reversal of 48399839 is 93899384.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 48399839 - 2⁴ = 48399823 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48399809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24199919 + 24199920.

It is an arithmetic number, because the mean of its divisors is an integer number (24199920).

Almost surely, 2^48399839 is an apocalyptic number.

48399839 is a deficient number, since it is larger than the sum of its proper divisors (1).

48399839 is an equidigital number, since it uses as much as digits as its factorization.

48399839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 53.

The square root of 48399839 is about 6956.9992812994. Note that the first 3 decimals coincide. The cubic root of 48399839 is about 364.4304346322.

The spelling of 48399839 in words is "forty-eight million, three hundred ninety-nine thousand, eight hundred thirty-nine".