3876205 has 4 divisors (see below), whose sum is σ = 4651452. Its totient is φ = 3100960.

The previous prime is 3876203. The next prime is 3876253. The reversal of 3876205 is 5026783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5026783 = 37 ⋅135859.

It can be written as a sum of positive squares in 2 ways, for example, as 2996361 + 879844 = 1731^2 + 938^2 .

It is not a de Polignac number, because 3876205 - 2¹ = 3876203 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3876203) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 387616 + ... + 387625.

It is an arithmetic number, because the mean of its divisors is an integer number (1162863).

Almost surely, 2^3876205 is an apocalyptic number.

It is an amenable number.

3876205 is a deficient number, since it is larger than the sum of its proper divisors (775247).

3876205 is an equidigital number, since it uses as much as digits as its factorization.

3876205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775246.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 3876205 is about 1968.8080150182. The cubic root of 3876205 is about 157.0853120664.

The spelling of 3876205 in words is "three million, eight hundred seventy-six thousand, two hundred five".