4399018 has 16 divisors (see below), whose sum is σ = 7209216. Its totient is φ = 2000880.

The previous prime is 4399007. The next prime is 4399061. The reversal of 4399018 is 8109934.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655 + ... + 3037.

It is an arithmetic number, because the mean of its divisors is an integer number (450576).

Almost surely, 2^4399018 is an apocalyptic number.

4399018 is a deficient number, since it is larger than the sum of its proper divisors (2810198).

4399018 is a wasteful number, since it uses less digits than its factorization.

4399018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 4399018 is about 2097.3836082129. The cubic root of 4399018 is about 163.8520627057.

The spelling of 4399018 in words is "four million, three hundred ninety-nine thousand, eighteen".