3960811 has 2 divisors, whose sum is σ = 3960812. Its totient is φ = 3960810.

The previous prime is 3960799. The next prime is 3960829. The reversal of 3960811 is 1180693.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1180693) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3960811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3960811.

It is not a weakly prime, because it can be changed into another prime (3960841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1980405 + 1980406.

It is an arithmetic number, because the mean of its divisors is an integer number (1980406).

Almost surely, 2^3960811 is an apocalyptic number.

3960811 is a deficient number, since it is larger than the sum of its proper divisors (1).

3960811 is an equidigital number, since it uses as much as digits as its factorization.

3960811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 3960811 is about 1990.1786351984. The cubic root of 3960811 is about 158.2199974401.

The spelling of 3960811 in words is "three million, nine hundred sixty thousand, eight hundred eleven".