3955111 has 4 divisors (see below), whose sum is σ = 3961872. Its totient is φ = 3948352.

The previous prime is 3955109. The next prime is 3955117. The reversal of 3955111 is 1115593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1115593 = 103 ⋅10831.

It is a cyclic number.

It is not a de Polignac number, because 3955111 - 2¹ = 3955109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3955117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2410 + ... + 3703.

It is an arithmetic number, because the mean of its divisors is an integer number (990468).

Almost surely, 2^3955111 is an apocalyptic number.

3955111 is a deficient number, since it is larger than the sum of its proper divisors (6761).

3955111 is an equidigital number, since it uses as much as digits as its factorization.

3955111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6760.

The product of its digits is 675, while the sum is 25.

The square root of 3955111 is about 1988.7460873626. The cubic root of 3955111 is about 158.1440629113.

The spelling of 3955111 in words is "three million, nine hundred fifty-five thousand, one hundred eleven".