4028038 has 24 divisors (see below), whose sum is σ = 7296912. Its totient is φ = 1633392.

The previous prime is 4028009. The next prime is 4028069. The reversal of 4028038 is 8308204.

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 11 ways as a sum of consecutive naturals, for example, 4656 + ... + 5452.

It is an arithmetic number, because the mean of its divisors is an integer number (304038).

Almost surely, 2^4028038 is an apocalyptic number.

4028038 is a deficient number, since it is larger than the sum of its proper divisors (3268874).

4028038 is a wasteful number, since it uses less digits than its factorization.

4028038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844 (or 825 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 4028038 is about 2006.9972595896. The cubic root of 4028038 is about 159.1101382125.

The spelling of 4028038 in words is "four million, twenty-eight thousand, thirty-eight".