3820385 has 8 divisors (see below), whose sum is σ = 4595136. Its totient is φ = 3049200.

The previous prime is 3820379. The next prime is 3820391. The reversal of 3820385 is 5830283.

3820385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3820379) and next prime (3820391).

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

It is not a de Polignac number, because 3820385 - 2⁶ = 3820321 is a prime.

It is a Duffinian number.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 3110 + ... + 4160.

It is an arithmetic number, because the mean of its divisors is an integer number (574392).

Almost surely, 2^3820385 is an apocalyptic number.

It is an amenable number.

3820385 is a deficient number, since it is larger than the sum of its proper divisors (774751).

3820385 is a wasteful number, since it uses less digits than its factorization.

3820385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 3820385 is about 1954.5805176559. The cubic root of 3820385 is about 156.3276179698.

The spelling of 3820385 in words is "three million, eight hundred twenty thousand, three hundred eighty-five".