4038404 has 6 divisors (see below), whose sum is σ = 7067214. Its totient is φ = 2019200.

The previous prime is 4038403. The next prime is 4038413. The reversal of 4038404 is 4048304.

It can be written as a sum of positive squares in only one way, i.e., 2715904 + 1322500 = 1648^2 + 1150^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4038404.

It is not an unprimeable number, because it can be changed into a prime (4038403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504797 + ... + 504804.

It is an arithmetic number, because the mean of its divisors is an integer number (1177869).

Almost surely, 2^4038404 is an apocalyptic number.

It is an amenable number.

4038404 is a deficient number, since it is larger than the sum of its proper divisors (3028810).

4038404 is a wasteful number, since it uses less digits than its factorization.

4038404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009605 (or 1009603 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4038404 is about 2009.5780651669. The cubic root of 4038404 is about 159.2465092264.

The spelling of 4038404 in words is "four million, thirty-eight thousand, four hundred four".