3821992 has 16 divisors (see below), whose sum is σ = 7187040. Its totient is φ = 1905456.

The previous prime is 3821981. The next prime is 3822017. The reversal of 3821992 is 2991283.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4773 + ... + 5515.

It is an arithmetic number, because the mean of its divisors is an integer number (449190).

Almost surely, 2^3821992 is an apocalyptic number.

It is an amenable number.

3821992 is a deficient number, since it is larger than the sum of its proper divisors (3365048).

3821992 is a wasteful number, since it uses less digits than its factorization.

3821992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392 (or 1388 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The square root of 3821992 is about 1954.9915600841. The cubic root of 3821992 is about 156.3495340216.

The spelling of 3821992 in words is "three million, eight hundred twenty-one thousand, nine hundred ninety-two".