3821236 has 6 divisors (see below), whose sum is σ = 6687170. Its totient is φ = 1910616.

The previous prime is 3821231. The next prime is 3821239. The reversal of 3821236 is 6321283.

It can be written as a sum of positive squares in only one way, i.e., 2624400 + 1196836 = 1620^2 + 1094^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3821236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477651 + ... + 477658.

Almost surely, 2^3821236 is an apocalyptic number.

It is an amenable number.

3821236 is a deficient number, since it is larger than the sum of its proper divisors (2865934).

3821236 is a wasteful number, since it uses less digits than its factorization.

3821236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955313 (or 955311 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 3821236 is about 1954.7981993034. The cubic root of 3821236 is about 156.3392245598.

The spelling of 3821236 in words is "three million, eight hundred twenty-one thousand, two hundred thirty-six".