48992399 has 2 divisors, whose sum is σ = 48992400. Its totient is φ = 48992398.

The previous prime is 48992353. The next prime is 48992473. The reversal of 48992399 is 99329984.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48992399 - 2⁸ = 48992143 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48992399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48992309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24496199 + 24496200.

It is an arithmetic number, because the mean of its divisors is an integer number (24496200).

Almost surely, 2^48992399 is an apocalyptic number.

48992399 is a deficient number, since it is larger than the sum of its proper divisors (1).

48992399 is an equidigital number, since it uses as much as digits as its factorization.

48992399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1259712, while the sum is 53.

The square root of 48992399 is about 6999.4570503718. The cubic root of 48992399 is about 365.9116486751.

The spelling of 48992399 in words is "forty-eight million, nine hundred ninety-two thousand, three hundred ninety-nine".