3800506 has 4 divisors (see below), whose sum is σ = 5700762. Its totient is φ = 1900252.

The previous prime is 3800501. The next prime is 3800521. The reversal of 3800506 is 6050083.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2002225 + 1798281 = 1415^2 + 1341^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (3800501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 950125 + ... + 950128.

Almost surely, 2^3800506 is an apocalyptic number.

3800506 is a deficient number, since it is larger than the sum of its proper divisors (1900256).

3800506 is a wasteful number, since it uses less digits than its factorization.

3800506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900255.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3800506 is about 1949.4886509031. The cubic root of 3800506 is about 156.0560011521.

Adding to 3800506 its reverse (6050083), we get a palindrome (9850589).

The spelling of 3800506 in words is "three million, eight hundred thousand, five hundred six".