4038004 has 6 divisors (see below), whose sum is σ = 7066514. Its totient is φ = 2019000.

The previous prime is 4037987. The next prime is 4038007. The reversal of 4038004 is 4008304.

It can be written as a sum of positive squares in only one way, i.e., 3602404 + 435600 = 1898^2 + 660^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4038007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504747 + ... + 504754.

Almost surely, 2^4038004 is an apocalyptic number.

It is an amenable number.

4038004 is a deficient number, since it is larger than the sum of its proper divisors (3028510).

4038004 is a wasteful number, since it uses less digits than its factorization.

4038004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009505 (or 1009503 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4038004 is about 2009.4785393231. The cubic root of 4038004 is about 159.2412513154.

The spelling of 4038004 in words is "four million, thirty-eight thousand, four".