4032638 has 16 divisors (see below), whose sum is σ = 6486480. Its totient is φ = 1873536.

The previous prime is 4032619. The next prime is 4032641. The reversal of 4032638 is 8362304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2108 + ... + 3536.

It is an arithmetic number, because the mean of its divisors is an integer number (405405).

Almost surely, 2^4032638 is an apocalyptic number.

4032638 is a deficient number, since it is larger than the sum of its proper divisors (2453842).

4032638 is a wasteful number, since it uses less digits than its factorization.

4032638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 4032638 is about 2008.1429232004. The cubic root of 4032638 is about 159.1706828417.

The spelling of 4032638 in words is "four million, thirty-two thousand, six hundred thirty-eight".