349965169 has 4 divisors (see below), whose sum is σ = 361254400. Its totient is φ = 338675940.

The previous prime is 349965103. The next prime is 349965173. The reversal of 349965169 is 961569943.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 349965169 - 2¹¹ = 349963121 is a prime.

It is a super-2 number, since 2×349965169² = 244951239026397122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349965269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5644569 + ... + 5644630.

It is an arithmetic number, because the mean of its divisors is an integer number (90313600).

Almost surely, 2^349965169 is an apocalyptic number.

It is an amenable number.

349965169 is a deficient number, since it is larger than the sum of its proper divisors (11289231).

349965169 is a wasteful number, since it uses less digits than its factorization.

349965169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11289230.

The product of its digits is 1574640, while the sum is 52.

The square root of 349965169 is about 18707.3560130768. The cubic root of 349965169 is about 704.7064948631.

The spelling of 349965169 in words is "three hundred forty-nine million, nine hundred sixty-five thousand, one hundred sixty-nine".