4138504 has 24 divisors (see below), whose sum is σ = 8195310. Its totient is φ = 1958976.

The previous prime is 4138489. The next prime is 4138507. The reversal of 4138504 is 4058314.

It can be written as a sum of positive squares in only one way, i.e., 2924100 + 1214404 = 1710^2 + 1102^2 .

It is not an unprimeable number, because it can be changed into a prime (4138507) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2172 + ... + 3604.

Almost surely, 2^4138504 is an apocalyptic number.

It is an amenable number.

4138504 is a deficient number, since it is larger than the sum of its proper divisors (4056806).

4138504 is a wasteful number, since it uses less digits than its factorization.

4138504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477 (or 1454 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 4138504 is about 2034.3313397773. The cubic root of 4138504 is about 160.5515341286.

The spelling of 4138504 in words is "four million, one hundred thirty-eight thousand, five hundred four".