3867236 has 12 divisors (see below), whose sum is σ = 6818028. Its totient is φ = 1919232.

The previous prime is 3867233. The next prime is 3867239. The reversal of 3867236 is 6327683.

It is an interprime number because it is at equal distance from previous prime (3867233) and next prime (3867239).

It can be written as a sum of positive squares in 2 ways, for example, as 3385600 + 481636 = 1840^2 + 694^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3867196 and 3867205.

It is not an unprimeable number, because it can be changed into a prime (3867233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2981 + ... + 4076.

It is an arithmetic number, because the mean of its divisors is an integer number (568169).

Almost surely, 2^3867236 is an apocalyptic number.

It is an amenable number.

3867236 is a deficient number, since it is larger than the sum of its proper divisors (2950792).

3867236 is a wasteful number, since it uses less digits than its factorization.

3867236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7198 (or 7196 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 3867236 is about 1966.5289217299. The cubic root of 3867236 is about 156.9640606338.

The spelling of 3867236 in words is "three million, eight hundred sixty-seven thousand, two hundred thirty-six".