349841677 has 2 divisors, whose sum is σ = 349841678. Its totient is φ = 349841676.

The previous prime is 349841659. The next prime is 349841689. The reversal of 349841677 is 776148943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248819076 + 101022601 = 15774^2 + 10051^2 .

It is a cyclic number.

It is not a de Polignac number, because 349841677 - 2²³ = 341453069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 349841677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349841617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174920838 + 174920839.

It is an arithmetic number, because the mean of its divisors is an integer number (174920839).

Almost surely, 2^349841677 is an apocalyptic number.

It is an amenable number.

349841677 is a deficient number, since it is larger than the sum of its proper divisors (1).

349841677 is an equidigital number, since it uses as much as digits as its factorization.

349841677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 49.

The square root of 349841677 is about 18704.0550950857. The cubic root of 349841677 is about 704.6235953249.

The spelling of 349841677 in words is "three hundred forty-nine million, eight hundred forty-one thousand, six hundred seventy-seven".