3821270 has 16 divisors (see below), whose sum is σ = 6933168. Its totient is φ = 1516320.

The previous prime is 3821269. The next prime is 3821273. The reversal of 3821270 is 721283.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149 + ... + 2768.

It is an arithmetic number, because the mean of its divisors is an integer number (433323).

Almost surely, 2^3821270 is an apocalyptic number.

3821270 is a deficient number, since it is larger than the sum of its proper divisors (3111898).

3821270 is a wasteful number, since it uses less digits than its factorization.

3821270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 3821270 is about 1954.8068958340. The cubic root of 3821270 is about 156.3396882420.

The spelling of 3821270 in words is "three million, eight hundred twenty-one thousand, two hundred seventy".