4389398 has 16 divisors (see below), whose sum is σ = 7183680. Its totient is φ = 1999296.

The previous prime is 4389379. The next prime is 4389401. The reversal of 4389398 is 8939834.

It is a d-powerful number, because it can be written as 4⁶ + 3⁸ + 8⁷ + 9³ + 3¹¹ + 9⁴ + 8⁷ .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 986 + ... + 3122.

It is an arithmetic number, because the mean of its divisors is an integer number (448980).

Almost surely, 2^4389398 is an apocalyptic number.

4389398 is a deficient number, since it is larger than the sum of its proper divisors (2794282).

4389398 is a wasteful number, since it uses less digits than its factorization.

4389398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231.

The product of its digits is 186624, while the sum is 44.

The square root of 4389398 is about 2095.0890195884. The cubic root of 4389398 is about 163.7325354798.

The spelling of 4389398 in words is "four million, three hundred eighty-nine thousand, three hundred ninety-eight".