4400002 has 8 divisors (see below), whose sum is σ = 6690636. Its totient is φ = 2169792.

The previous prime is 4399987. The next prime is 4400021. The reversal of 4400002 is 2000044.

It can be written as a sum of positive squares in 2 ways, for example, as 4198401 + 201601 = 2049^2 + 449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14923 + ... + 15214.

Almost surely, 2^4400002 is an apocalyptic number.

4400002 is a deficient number, since it is larger than the sum of its proper divisors (2290634).

4400002 is a wasteful number, since it uses less digits than its factorization.

4400002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30212.

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 4400002 is about 2097.6181730715. The cubic root of 4400002 is about 163.8642789480.

Adding to 4400002 its reverse (2000044), we get a palindrome (6400046).

The spelling of 4400002 in words is "four million, four hundred thousand, two".