448391739 has 16 divisors (see below), whose sum is σ = 629690112. Its totient is φ = 283254048.

The previous prime is 448391737. The next prime is 448391743. The reversal of 448391739 is 937193844.

It is a happy number.

It is not a de Polignac number, because 448391739 - 2¹ = 448391737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (448391731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22984 + ... + 37749.

It is an arithmetic number, because the mean of its divisors is an integer number (39355632).

Almost surely, 2^448391739 is an apocalyptic number.

448391739 is a deficient number, since it is larger than the sum of its proper divisors (181298373).

448391739 is a wasteful number, since it uses less digits than its factorization.

448391739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60866.

The product of its digits is 653184, while the sum is 48.

The square root of 448391739 is about 21175.2624304871. The cubic root of 448391739 is about 765.3954348453.

The spelling of 448391739 in words is "four hundred forty-eight million, three hundred ninety-one thousand, seven hundred thirty-nine".