3721214 has 16 divisors (see below), whose sum is σ = 6423648. Its totient is φ = 1583712.

The previous prime is 3721213. The next prime is 3721217. The reversal of 3721214 is 4121273.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3721213) 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, 1352 + ... + 3044.

It is an arithmetic number, because the mean of its divisors is an integer number (401478).

Almost surely, 2^3721214 is an apocalyptic number.

3721214 is a deficient number, since it is larger than the sum of its proper divisors (2702434).

3721214 is a wasteful number, since it uses less digits than its factorization.

3721214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859.

The product of its digits is 336, while the sum is 20.

The square root of 3721214 is about 1929.0448413658. The cubic root of 3721214 is about 154.9630713273.

Adding to 3721214 its reverse (4121273), we get a palindrome (7842487).

The spelling of 3721214 in words is "three million, seven hundred twenty-one thousand, two hundred fourteen".