3913211 has 4 divisors (see below), whose sum is σ = 3977424. Its totient is φ = 3849000.

The previous prime is 3913199. The next prime is 3913237. The reversal of 3913211 is 1123193.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1123193 = 61 ⋅18413.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3913211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3912211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32015 + ... + 32136.

It is an arithmetic number, because the mean of its divisors is an integer number (994356).

Almost surely, 2^3913211 is an apocalyptic number.

3913211 is a deficient number, since it is larger than the sum of its proper divisors (64213).

3913211 is an equidigital number, since it uses as much as digits as its factorization.

3913211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64212.

The product of its digits is 162, while the sum is 20.

The square root of 3913211 is about 1978.1837629502. The cubic root of 3913211 is about 157.5836257005.

The spelling of 3913211 in words is "three million, nine hundred thirteen thousand, two hundred eleven".