3948211 has 4 divisors (see below), whose sum is σ = 3965832. Its totient is φ = 3930592.

The previous prime is 3948187. The next prime is 3948223. The reversal of 3948211 is 1128493.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3948211 - 2⁵ = 3948179 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3948211.

It is not an unprimeable number, because it can be changed into a prime (3948251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8470 + ... + 8923.

It is an arithmetic number, because the mean of its divisors is an integer number (991458).

Almost surely, 2^3948211 is an apocalyptic number.

3948211 is a deficient number, since it is larger than the sum of its proper divisors (17621).

3948211 is a wasteful number, since it uses less digits than its factorization.

3948211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17620.

The product of its digits is 1728, while the sum is 28.

The square root of 3948211 is about 1987.0105686684. The cubic root of 3948211 is about 158.0520444903.

It can be divided in two parts, 39482 and 11, that added together give a palindrome (39493).

The spelling of 3948211 in words is "three million, nine hundred forty-eight thousand, two hundred eleven".