3821798 has 4 divisors (see below), whose sum is σ = 5732700. Its totient is φ = 1910898.

The previous prime is 3821791. The next prime is 3821801. The reversal of 3821798 is 8971283.

3821798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×3821798² = 29212279905608, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821791) 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, 955448 + ... + 955451.

It is an arithmetic number, because the mean of its divisors is an integer number (1433175).

Almost surely, 2^3821798 is an apocalyptic number.

3821798 is a deficient number, since it is larger than the sum of its proper divisors (1910902).

3821798 is a wasteful number, since it uses less digits than its factorization.

3821798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910901.

The product of its digits is 24192, while the sum is 38.

The square root of 3821798 is about 1954.9419428720. The cubic root of 3821798 is about 156.3468886015.

The spelling of 3821798 in words is "three million, eight hundred twenty-one thousand, seven hundred ninety-eight".