4399232 has 16 divisors (see below), whose sum is σ = 8764350. Its totient is φ = 2199552.

The previous prime is 4399223. The next prime is 4399237. The reversal of 4399232 is 2329934.

It can be written as a sum of positive squares in only one way, i.e., 2483776 + 1915456 = 1576^2 + 1384^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an Ulam number.

It is a d-powerful number, because it can be written as 4¹¹ + 3³ + 9⁴ + 9⁵ + 2¹³ + 3³ + 2¹⁷ .

It is not an unprimeable number, because it can be changed into a prime (4399237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17057 + ... + 17312.

Almost surely, 2^4399232 is an apocalyptic number.

It is an amenable number.

4399232 is a deficient number, since it is larger than the sum of its proper divisors (4365118).

4399232 is an equidigital number, since it uses as much as digits as its factorization.

4399232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34383 (or 34371 counting only the distinct ones).

The product of its digits is 11664, while the sum is 32.

The square root of 4399232 is about 2097.4346235342. The cubic root of 4399232 is about 163.8547196451.

The spelling of 4399232 in words is "four million, three hundred ninety-nine thousand, two hundred thirty-two".