4001332 has 6 divisors (see below), whose sum is σ = 7002338. Its totient is φ = 2000664.

The previous prime is 4001303. The next prime is 4001339. The reversal of 4001332 is 2331004.

4001332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3370896 + 630436 = 1836^2 + 794^2 .

4001332 is a modest number, since divided by 1332 gives 4 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001339) 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 as a sum of consecutive naturals, namely, 500163 + ... + 500170.

Almost surely, 2^4001332 is an apocalyptic number.

It is an amenable number.

4001332 is a deficient number, since it is larger than the sum of its proper divisors (3001006).

4001332 is a wasteful number, since it uses less digits than its factorization.

4001332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000337 (or 1000335 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 4001332 is about 2000.3329722824. The cubic root of 4001332 is about 158.7577233930.

Adding to 4001332 its reverse (2331004), we get a palindrome (6332336).

The spelling of 4001332 in words is "four million, one thousand, three hundred thirty-two".