3821896 has 16 divisors (see below), whose sum is σ = 7717500. Its totient is φ = 1763904.

The previous prime is 3821893. The next prime is 3821903. The reversal of 3821896 is 6981283.

It can be written as a sum of positive squares in 2 ways, for example, as 3204100 + 617796 = 1790^2 + 786^2 .

It is not an unprimeable number, because it can be changed into a prime (3821893) 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, 18271 + ... + 18478.

Almost surely, 2^3821896 is an apocalyptic number.

It is an amenable number.

3821896 is an abundant number, since it is smaller than the sum of its proper divisors (3895604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3821896 is a wasteful number, since it uses less digits than its factorization.

3821896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36768 (or 36764 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 3821896 is about 1954.9670073942. The cubic root of 3821896 is about 156.3482249589.

It can be divided in two parts, 382 and 1896, that added together give a triangular number (2278 = T₆₇).

The spelling of 3821896 in words is "three million, eight hundred twenty-one thousand, eight hundred ninety-six".