384440017 has 6 divisors (see below), whose sum is σ = 416287302. Its totient is φ = 354867552.

The previous prime is 384439969. The next prime is 384440029. The reversal of 384440017 is 710044483.

It can be written as a sum of positive squares in 3 ways, for example, as 52070656 + 332369361 = 7216^2 + 18231^2 .

It is not a de Polignac number, because 384440017 - 2¹¹ = 384437969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384440087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1137228 + ... + 1137565.

It is an arithmetic number, because the mean of its divisors is an integer number (69381217).

Almost surely, 2^384440017 is an apocalyptic number.

It is an amenable number.

384440017 is a deficient number, since it is larger than the sum of its proper divisors (31847285).

384440017 is a wasteful number, since it uses less digits than its factorization.

384440017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274819 (or 2274806 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 384440017 is about 19607.1419895914. The cubic root of 384440017 is about 727.1257575305.

The spelling of 384440017 in words is "three hundred eighty-four million, four hundred forty thousand, seventeen".