3493811 has 2 divisors, whose sum is σ = 3493812. Its totient is φ = 3493810.

The previous prime is 3493783. The next prime is 3493817. The reversal of 3493811 is 1183943.

It is a strong prime.

It is an emirp because it is prime and its reverse (1183943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3493811 - 2⁶ = 3493747 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3493817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1746905 + 1746906.

It is an arithmetic number, because the mean of its divisors is an integer number (1746906).

Almost surely, 2^3493811 is an apocalyptic number.

3493811 is a deficient number, since it is larger than the sum of its proper divisors (1).

3493811 is an equidigital number, since it uses as much as digits as its factorization.

3493811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 3493811 is about 1869.1738816921. The cubic root of 3493811 is about 151.7399031774.

The spelling of 3493811 in words is "three million, four hundred ninety-three thousand, eight hundred eleven".