48198391 has 2 divisors, whose sum is σ = 48198392. Its totient is φ = 48198390.

The previous prime is 48198361. The next prime is 48198401. The reversal of 48198391 is 19389184.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 48198391 - 2⁹ = 48197879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48198331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24099195 + 24099196.

It is an arithmetic number, because the mean of its divisors is an integer number (24099196).

Almost surely, 2^48198391 is an apocalyptic number.

48198391 is a deficient number, since it is larger than the sum of its proper divisors (1).

48198391 is an equidigital number, since it uses as much as digits as its factorization.

48198391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 43.

The square root of 48198391 is about 6942.5061037064. The cubic root of 48198391 is about 363.9241252914.

The spelling of 48198391 in words is "forty-eight million, one hundred ninety-eight thousand, three hundred ninety-one".