349985611 has 2 divisors, whose sum is σ = 349985612. Its totient is φ = 349985610.

The previous prime is 349985599. The next prime is 349985617. The reversal of 349985611 is 116589943.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 349985611 - 2¹¹ = 349983563 is a prime.

It is not a weakly prime, because it can be changed into another prime (349985617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174992805 + 174992806.

It is an arithmetic number, because the mean of its divisors is an integer number (174992806).

Almost surely, 2^349985611 is an apocalyptic number.

349985611 is a deficient number, since it is larger than the sum of its proper divisors (1).

349985611 is an equidigital number, since it uses as much as digits as its factorization.

349985611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 46.

The square root of 349985611 is about 18707.9023677162. The cubic root of 349985611 is about 704.7202155902.

The spelling of 349985611 in words is "three hundred forty-nine million, nine hundred eighty-five thousand, six hundred eleven".