349417669 has 2 divisors, whose sum is σ = 349417670. Its totient is φ = 349417668.

The previous prime is 349417631. The next prime is 349417727. The reversal of 349417669 is 966714943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 347822500 + 1595169 = 18650^2 + 1263^2 .

It is a cyclic number.

It is not a de Polignac number, because 349417669 - 2⁹ = 349417157 is a prime.

It is a super-2 number, since 2×349417669² = 244185414818787122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349417469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174708834 + 174708835.

It is an arithmetic number, because the mean of its divisors is an integer number (174708835).

Almost surely, 2^349417669 is an apocalyptic number.

It is an amenable number.

349417669 is a deficient number, since it is larger than the sum of its proper divisors (1).

349417669 is an equidigital number, since it uses as much as digits as its factorization.

349417669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 49.

The square root of 349417669 is about 18692.7170042239. The cubic root of 349417669 is about 704.3388123847.

The spelling of 349417669 in words is "three hundred forty-nine million, four hundred seventeen thousand, six hundred sixty-nine".