4398418 has 4 divisors (see below), whose sum is σ = 6597630. Its totient is φ = 2199208.

The previous prime is 4398397. The next prime is 4398421. The reversal of 4398418 is 8148934.

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., 4355569 + 42849 = 2087^2 + 207^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099603 + ... + 1099606.

Almost surely, 2^4398418 is an apocalyptic number.

4398418 is a deficient number, since it is larger than the sum of its proper divisors (2199212).

4398418 is a wasteful number, since it uses less digits than its factorization.

4398418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199211.

The product of its digits is 27648, while the sum is 37.

The square root of 4398418 is about 2097.2405679845. The cubic root of 4398418 is about 163.8446128834.

The spelling of 4398418 in words is "four million, three hundred ninety-eight thousand, four hundred eighteen".