4398305 has 4 divisors (see below), whose sum is σ = 5277972. Its totient is φ = 3518640.

The previous prime is 4398293. The next prime is 4398319. The reversal of 4398305 is 5038934.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5038934 = 2 ⋅2519467.

It can be written as a sum of positive squares in 2 ways, for example, as 2637376 + 1760929 = 1624^2 + 1327^2 .

It is not a de Polignac number, because 4398305 - 2⁶ = 4398241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439826 + ... + 439835.

It is an arithmetic number, because the mean of its divisors is an integer number (1319493).

Almost surely, 2^4398305 is an apocalyptic number.

It is an amenable number.

4398305 is a deficient number, since it is larger than the sum of its proper divisors (879667).

4398305 is an equidigital number, since it uses as much as digits as its factorization.

4398305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879666.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 4398305 is about 2097.2136276498. The cubic root of 4398305 is about 163.8432097577.

The spelling of 4398305 in words is "four million, three hundred ninety-eight thousand, three hundred five".