4398115405 has 8 divisors (see below), whose sum is σ = 5279655672. Its totient is φ = 3517214208.

The previous prime is 4398115399. The next prime is 4398115409. The reversal of 4398115405 is 5045118934.

It can be written as a sum of positive squares in 4 ways, for example, as 286997481 + 4111117924 = 16941^2 + 64118^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4398115405 - 2⁷ = 4398115277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4398115409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144492 + ... + 172261.

It is an arithmetic number, because the mean of its divisors is an integer number (659956959).

Almost surely, 2^4398115405 is an apocalyptic number.

It is an amenable number.

4398115405 is a deficient number, since it is larger than the sum of its proper divisors (881540267).

4398115405 is a wasteful number, since it uses less digits than its factorization.

4398115405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319535.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 4398115405 is about 66318.2886163387. The cubic root of 4398115405 is about 1638.4085549474.

The spelling of 4398115405 in words is "four billion, three hundred ninety-eight million, one hundred fifteen thousand, four hundred five".