3491743 has 2 divisors, whose sum is σ = 3491744. Its totient is φ = 3491742.

The previous prime is 3491723. The next prime is 3491767. The reversal of 3491743 is 3471943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3491743 - 2⁵ = 3491711 is a prime.

3491743 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3491723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1745871 + 1745872.

It is an arithmetic number, because the mean of its divisors is an integer number (1745872).

Almost surely, 2^3491743 is an apocalyptic number.

3491743 is a deficient number, since it is larger than the sum of its proper divisors (1).

3491743 is an equidigital number, since it uses as much as digits as its factorization.

3491743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 31.

The square root of 3491743 is about 1868.6206142500. The cubic root of 3491743 is about 151.7099587936.

The spelling of 3491743 in words is "three million, four hundred ninety-one thousand, seven hundred forty-three".