4398998 has 4 divisors (see below), whose sum is σ = 6598500. Its totient is φ = 2199498.

The previous prime is 4398997. The next prime is 4399001. The reversal of 4398998 is 8998934.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4398991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099748 + ... + 1099751.

It is an arithmetic number, because the mean of its divisors is an integer number (1649625).

Almost surely, 2^4398998 is an apocalyptic number.

4398998 is a deficient number, since it is larger than the sum of its proper divisors (2199502).

4398998 is a wasteful number, since it uses less digits than its factorization.

4398998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199501.

The product of its digits is 559872, while the sum is 50.

The square root of 4398998 is about 2097.3788403624. The cubic root of 4398998 is about 163.8518143892.

The spelling of 4398998 in words is "four million, three hundred ninety-eight thousand, nine hundred ninety-eight".