3821330 has 16 divisors (see below), whose sum is σ = 7116120. Its totient is φ = 1475712.

The previous prime is 3821329. The next prime is 3821347. The reversal of 3821330 is 331283.

3821330 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 4 ways, for example, as 3301489 + 519841 = 1817^2 + 721^2 .

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 7 ways as a sum of consecutive naturals, for example, 6299 + ... + 6878.

Almost surely, 2^3821330 is an apocalyptic number.

3821330 is a deficient number, since it is larger than the sum of its proper divisors (3294790).

3821330 is a wasteful number, since it uses less digits than its factorization.

3821330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13213.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3821330 is about 1954.8222425581. The cubic root of 3821330 is about 156.3405064981.

The spelling of 3821330 in words is "three million, eight hundred twenty-one thousand, three hundred thirty".