3948911 has 2 divisors, whose sum is σ = 3948912. Its totient is φ = 3948910.

The previous prime is 3948907. The next prime is 3948953. The reversal of 3948911 is 1198493.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3948911 - 2² = 3948907 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3948311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1974455 + 1974456.

It is an arithmetic number, because the mean of its divisors is an integer number (1974456).

Almost surely, 2^3948911 is an apocalyptic number.

3948911 is a deficient number, since it is larger than the sum of its proper divisors (1).

3948911 is an equidigital number, since it uses as much as digits as its factorization.

3948911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 35.

The square root of 3948911 is about 1987.1867048670. The cubic root of 3948911 is about 158.0613845765.

The spelling of 3948911 in words is "three million, nine hundred forty-eight thousand, nine hundred eleven".