3491723 has 2 divisors, whose sum is σ = 3491724. Its totient is φ = 3491722.

The previous prime is 3491711. The next prime is 3491743. The reversal of 3491723 is 3271943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3491723 - 2⁴ = 3491707 is a prime.

It is not a weakly prime, because it can be changed into another prime (3491743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1745861 + 1745862.

It is an arithmetic number, because the mean of its divisors is an integer number (1745862).

Almost surely, 2^3491723 is an apocalyptic number.

3491723 is a deficient number, since it is larger than the sum of its proper divisors (1).

3491723 is an equidigital number, since it uses as much as digits as its factorization.

3491723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 29.

The square root of 3491723 is about 1868.6152627012. The cubic root of 3491723 is about 151.7096691383.

The spelling of 3491723 in words is "three million, four hundred ninety-one thousand, seven hundred twenty-three".