4004432 has 20 divisors (see below), whose sum is σ = 7791540. Its totient is φ = 1993728.

The previous prime is 4004417. The next prime is 4004449. The reversal of 4004432 is 2344004.

It can be written as a sum of positive squares in 2 ways, for example, as 1032256 + 2972176 = 1016^2 + 1724^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4004432.

It is a congruent 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, 5294 + ... + 6002.

It is an arithmetic number, because the mean of its divisors is an integer number (389577).

Almost surely, 2^4004432 is an apocalyptic number.

It is an amenable number.

4004432 is a deficient number, since it is larger than the sum of its proper divisors (3787108).

4004432 is a wasteful number, since it uses less digits than its factorization.

4004432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070 (or 1064 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 4004432 is about 2001.1076932539. The cubic root of 4004432 is about 158.7987115690.

Adding to 4004432 its reverse (2344004), we get a palindrome (6348436).

The spelling of 4004432 in words is "four million, four thousand, four hundred thirty-two".