3820838 has 8 divisors (see below), whose sum is σ = 6550032. Its totient is φ = 1637496.

The previous prime is 3820813. The next prime is 3820841. The reversal of 3820838 is 8380283.

3820838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 136445 + ... + 136472.

It is an arithmetic number, because the mean of its divisors is an integer number (818754).

Almost surely, 2^3820838 is an apocalyptic number.

3820838 is a deficient number, since it is larger than the sum of its proper divisors (2729194).

3820838 is a wasteful number, since it uses less digits than its factorization.

3820838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272926.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 3820838 is about 1954.6963958631. The cubic root of 3820838 is about 156.3337965454. Note that the first 3 decimals are identical.

The spelling of 3820838 in words is "three million, eight hundred twenty thousand, eight hundred thirty-eight".