3946811 has 6 divisors (see below), whose sum is σ = 4312812. Its totient is φ = 3582020.

The previous prime is 3946801. The next prime is 3946829. The reversal of 3946811 is 1186493.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-3946811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3946801) 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 5 ways as a sum of consecutive naturals, for example, 6290 + ... + 6888.

It is an arithmetic number, because the mean of its divisors is an integer number (718802).

Almost surely, 2^3946811 is an apocalyptic number.

3946811 is a deficient number, since it is larger than the sum of its proper divisors (366001).

3946811 is an frugal number, since it uses more digits than its factorization.

3946811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209 (or 610 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 3946811 is about 1986.6582494229. The cubic root of 3946811 is about 158.0333610055.

The spelling of 3946811 in words is "three million, nine hundred forty-six thousand, eight hundred eleven".