4398858 has 12 divisors (see below), whose sum is σ = 9530898. Its totient is φ = 1466280.

The previous prime is 4398851. The next prime is 4398859. The reversal of 4398858 is 8588934.

It can be written as a sum of positive squares in only one way, i.e., 3583449 + 815409 = 1893^2 + 903^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4398851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122173 + ... + 122208.

Almost surely, 2^4398858 is an apocalyptic number.

4398858 is an abundant number, since it is smaller than the sum of its proper divisors (5132040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4398858 is a wasteful number, since it uses less digits than its factorization.

4398858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244389 (or 244386 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 4398858 is about 2097.3454651058. The cubic root of 4398858 is about 163.8500761527.

The spelling of 4398858 in words is "four million, three hundred ninety-eight thousand, eight hundred fifty-eight".