349910109 has 12 divisors (see below), whose sum is σ = 527401056. Its totient is φ = 223130952.

The previous prime is 349910107. The next prime is 349910117. The reversal of 349910109 is 901019943.

It is not a de Polignac number, because 349910109 - 2¹ = 349910107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349910107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 844987 + ... + 845400.

It is an arithmetic number, because the mean of its divisors is an integer number (43950088).

Almost surely, 2^349910109 is an apocalyptic number.

It is an amenable number.

349910109 is a deficient number, since it is larger than the sum of its proper divisors (177490947).

349910109 is a wasteful number, since it uses less digits than its factorization.

349910109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690416 (or 1690413 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 349910109 is about 18705.8843415648. The cubic root of 349910109 is about 704.6695357806.

The spelling of 349910109 in words is "three hundred forty-nine million, nine hundred ten thousand, one hundred nine".