3867243 has 16 divisors (see below), whose sum is σ = 5515776. Its totient is φ = 2404160.

The previous prime is 3867239. The next prime is 3867257. The reversal of 3867243 is 3427683.

3867243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3867243 - 2² = 3867239 is a prime.

It is a d-powerful number, because it can be written as 3¹² + 8⁵ + 6⁸ + 7⁵ + 2¹³ + 4⁶ + 3¹³ .

It is not an unprimeable number, because it can be changed into a prime (3867223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2146 + ... + 3512.

It is an arithmetic number, because the mean of its divisors is an integer number (344736).

Almost surely, 2^3867243 is an apocalyptic number.

3867243 is a deficient number, since it is larger than the sum of its proper divisors (1648533).

3867243 is a wasteful number, since it uses less digits than its factorization.

3867243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434.

The product of its digits is 24192, while the sum is 33.

The square root of 3867243 is about 1966.5307015147. The cubic root of 3867243 is about 156.9641553395.

The spelling of 3867243 in words is "three million, eight hundred sixty-seven thousand, two hundred forty-three".