3549811 has 2 divisors, whose sum is σ = 3549812. Its totient is φ = 3549810.

The previous prime is 3549757. The next prime is 3549823. The reversal of 3549811 is 1189453.

It is a strong prime.

It is an emirp because it is prime and its reverse (1189453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3549811 - 2⁷ = 3549683 is a prime.

It is a Chen prime.

3549811 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3549851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1774905 + 1774906.

It is an arithmetic number, because the mean of its divisors is an integer number (1774906).

Almost surely, 2^3549811 is an apocalyptic number.

3549811 is a deficient number, since it is larger than the sum of its proper divisors (1).

3549811 is an equidigital number, since it uses as much as digits as its factorization.

3549811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 31.

The square root of 3549811 is about 1884.0942120818. The cubic root of 3549811 is about 152.5463229338.

Subtracting from 3549811 its sum of digits (31), we obtain a triangular number (3549780 = T₂₆₆₄).

The spelling of 3549811 in words is "three million, five hundred forty-nine thousand, eight hundred eleven".