4399258 has 4 divisors (see below), whose sum is σ = 6598890. Its totient is φ = 2199628.

The previous prime is 4399237. The next prime is 4399289. The reversal of 4399258 is 8529934.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4397409 + 1849 = 2097^2 + 43^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 4¹¹ + 3³ + 9⁵ + 9⁵ + 2¹³ + 5⁷ + 8³ .

It is a self number, because there is not a number n which added to its sum of digits gives 4399258.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099813 + ... + 1099816.

Almost surely, 2^4399258 is an apocalyptic number.

4399258 is a deficient number, since it is larger than the sum of its proper divisors (2199632).

4399258 is a wasteful number, since it uses less digits than its factorization.

4399258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199631.

The product of its digits is 77760, while the sum is 40.

The square root of 4399258 is about 2097.4408215728. The cubic root of 4399258 is about 163.8550424450.

The spelling of 4399258 in words is "four million, three hundred ninety-nine thousand, two hundred fifty-eight".