4032445 has 16 divisors (see below), whose sum is σ = 5056128. Its totient is φ = 3084480.

The previous prime is 4032443. The next prime is 4032463. The reversal of 4032445 is 5442304.

It is a happy number.

It is not a de Polignac number, because 4032445 - 2¹ = 4032443 is a prime.

It is a super-2 number, since 2×4032445² = 32521225356050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4032443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12982 + ... + 13288.

It is an arithmetic number, because the mean of its divisors is an integer number (316008).

Almost surely, 2^4032445 is an apocalyptic number.

It is an amenable number.

4032445 is a deficient number, since it is larger than the sum of its proper divisors (1023683).

4032445 is a wasteful number, since it uses less digits than its factorization.

4032445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 4032445 is about 2008.0948682769. The cubic root of 4032445 is about 159.1681435252.

Adding to 4032445 its reverse (5442304), we get a palindrome (9474749).

The spelling of 4032445 in words is "four million, thirty-two thousand, four hundred forty-five".