4398705 has 20 divisors (see below), whose sum is σ = 7885812. Its totient is φ = 2345760.

The previous prime is 4398703. The next prime is 4398707. The reversal of 4398705 is 5078934.

It is an interprime number because it is at equal distance from previous prime (4398703) and next prime (4398707).

It can be written as a sum of positive squares in 2 ways, for example, as 1656369 + 2742336 = 1287^2 + 1656^2 .

It is not a de Polignac number, because 4398705 - 2¹ = 4398703 is a prime.

4398705 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4398705.

It is not an unprimeable number, because it can be changed into a prime (4398703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5026 + ... + 5835.

Almost surely, 2^4398705 is an apocalyptic number.

4398705 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4398705 is a deficient number, since it is larger than the sum of its proper divisors (3487107).

4398705 is a wasteful number, since it uses less digits than its factorization.

4398705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10878 (or 10869 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 4398705 is about 2097.3089901109. The cubic root of 4398705 is about 163.8481764663.

The spelling of 4398705 in words is "four million, three hundred ninety-eight thousand, seven hundred five".