3864436 has 6 divisors (see below), whose sum is σ = 6762770. Its totient is φ = 1932216.

The previous prime is 3864433. The next prime is 3864449. The reversal of 3864436 is 6344683.

It can be written as a sum of positive squares in only one way, i.e., 2528100 + 1336336 = 1590^2 + 1156^2 .

It is a d-powerful number, because it can be written as 3⁷ + 8⁷ + 6 + 4⁴ + 4⁸ + 3⁹ + 6⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3864433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483051 + ... + 483058.

Almost surely, 2^3864436 is an apocalyptic number.

It is an amenable number.

3864436 is a deficient number, since it is larger than the sum of its proper divisors (2898334).

3864436 is a wasteful number, since it uses less digits than its factorization.

3864436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966113 (or 966111 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 3864436 is about 1965.8168785520. The cubic root of 3864436 is about 156.9261691886.

The spelling of 3864436 in words is "three million, eight hundred sixty-four thousand, four hundred thirty-six".