3821392 has 10 divisors (see below), whose sum is σ = 7403978. Its totient is φ = 1910688.

The previous prime is 3821387. The next prime is 3821399. The reversal of 3821392 is 2931283.

3821392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3594816 + 226576 = 1896^2 + 476^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3821392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821399) 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 as a sum of consecutive naturals, namely, 119403 + ... + 119434.

Almost surely, 2^3821392 is an apocalyptic number.

It is an amenable number.

3821392 is a deficient number, since it is larger than the sum of its proper divisors (3582586).

3821392 is a wasteful number, since it uses less digits than its factorization.

3821392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238845 (or 238839 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 3821392 is about 1954.8381007132. The cubic root of 3821392 is about 156.3413520204.

The spelling of 3821392 in words is "three million, eight hundred twenty-one thousand, three hundred ninety-two".