3820864 has 28 divisors (see below), whose sum is σ = 7644384. Its totient is φ = 1894784.

The previous prime is 3820853. The next prime is 3820867. The reversal of 3820864 is 4680283.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3820867) 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, 14397 + ... + 14659.

Almost surely, 2^3820864 is an apocalyptic number.

It is an amenable number.

3820864 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

3820864 is a wasteful number, since it uses less digits than its factorization.

3820864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 3820864 is about 1954.7030465009. The cubic root of 3820864 is about 156.3341511508.

It can be divided in two parts, 38 and 20864, that added together give a palindrome (20902).

The spelling of 3820864 in words is "three million, eight hundred twenty thousand, eight hundred sixty-four".