4398005 has 8 divisors (see below), whose sum is σ = 5420472. Its totient is φ = 3423168.

The previous prime is 4397999. The next prime is 4398007. The reversal of 4398005 is 5008934.

It can be written as a sum of positive squares in 4 ways, for example, as 703921 + 3694084 = 839^2 + 1922^2 .

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 4398005 - 2⁶ = 4397941 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 (4398007) 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, 11702 + ... + 12071.

It is an arithmetic number, because the mean of its divisors is an integer number (677559).

Almost surely, 2^4398005 is an apocalyptic number.

It is an amenable number.

4398005 is a deficient number, since it is larger than the sum of its proper divisors (1022467).

4398005 is a wasteful number, since it uses less digits than its factorization.

4398005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23815.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 4398005 is about 2097.1421029582. The cubic root of 4398005 is about 163.8394845287.

The spelling of 4398005 in words is "four million, three hundred ninety-eight thousand, five".