349708699 has 4 divisors (see below), whose sum is σ = 368114440. Its totient is φ = 331302960.

The previous prime is 349708693. The next prime is 349708703. The reversal of 349708699 is 996807943.

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 349708699 - 2²¹ = 347611547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349708693) 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 in 3 ways as a sum of consecutive naturals, for example, 9202842 + ... + 9202879.

It is an arithmetic number, because the mean of its divisors is an integer number (92028610).

Almost surely, 2^349708699 is an apocalyptic number.

349708699 is a deficient number, since it is larger than the sum of its proper divisors (18405741).

349708699 is a wasteful number, since it uses less digits than its factorization.

349708699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18405740.

The product of its (nonzero) digits is 2939328, while the sum is 55.

The square root of 349708699 is about 18700.4999665784. The cubic root of 349708699 is about 704.5343060672.

The spelling of 349708699 in words is "three hundred forty-nine million, seven hundred eight thousand, six hundred ninety-nine".