3921214 has 16 divisors (see below), whose sum is σ = 6468336. Its totient is φ = 1768000.

The previous prime is 3921209. The next prime is 3921217. The reversal of 3921214 is 4121293.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3921217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2364 + ... + 3664.

It is an arithmetic number, because the mean of its divisors is an integer number (404271).

Almost surely, 2^3921214 is an apocalyptic number.

3921214 is a deficient number, since it is larger than the sum of its proper divisors (2547122).

3921214 is a wasteful number, since it uses less digits than its factorization.

3921214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451.

The product of its digits is 432, while the sum is 22.

The square root of 3921214 is about 1980.2055448867. The cubic root of 3921214 is about 157.6909785455.

The spelling of 3921214 in words is "three million, nine hundred twenty-one thousand, two hundred fourteen".