948448439 has 2 divisors, whose sum is σ = 948448440. Its totient is φ = 948448438.

The previous prime is 948448433. The next prime is 948448469. The reversal of 948448439 is 934844849.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-948448439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (948448433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474224219 + 474224220.

It is an arithmetic number, because the mean of its divisors is an integer number (474224220).

Almost surely, 2^948448439 is an apocalyptic number.

948448439 is a deficient number, since it is larger than the sum of its proper divisors (1).

948448439 is an equidigital number, since it uses as much as digits as its factorization.

948448439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3981312, while the sum is 53.

The square root of 948448439 is about 30796.8900865006. The cubic root of 948448439 is about 982.5121025299.

The spelling of 948448439 in words is "nine hundred forty-eight million, four hundred forty-eight thousand, four hundred thirty-nine".