4399550 has 12 divisors (see below), whose sum is σ = 8183256. Its totient is φ = 1759800.

The previous prime is 4399543. The next prime is 4399553. The reversal of 4399550 is 559934.

It is a self number, because there is not a number n which added to its sum of digits gives 4399550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4399553) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 43946 + ... + 44045.

It is an arithmetic number, because the mean of its divisors is an integer number (681938).

Almost surely, 2^4399550 is an apocalyptic number.

4399550 is a deficient number, since it is larger than the sum of its proper divisors (3783706).

4399550 is a wasteful number, since it uses less digits than its factorization.

4399550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88003 (or 87998 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 4399550 is about 2097.5104290563. The cubic root of 4399550 is about 163.8586676483.

The spelling of 4399550 in words is "four million, three hundred ninety-nine thousand, five hundred fifty".