349169999 has 4 divisors (see below), whose sum is σ = 358607064. Its totient is φ = 339732936.

The previous prime is 349169983. The next prime is 349170001. The reversal of 349169999 is 999961943.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 349169999 - 2⁴ = 349169983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349169929) 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, 4718477 + ... + 4718550.

It is an arithmetic number, because the mean of its divisors is an integer number (89651766).

Almost surely, 2^349169999 is an apocalyptic number.

349169999 is a deficient number, since it is larger than the sum of its proper divisors (9437065).

349169999 is an equidigital number, since it uses as much as digits as its factorization.

349169999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9437064.

The product of its digits is 4251528, while the sum is 59.

The square root of 349169999 is about 18686.0910572543. The cubic root of 349169999 is about 704.1723594154.

The spelling of 349169999 in words is "three hundred forty-nine million, one hundred sixty-nine thousand, nine hundred ninety-nine".