349606699 has 4 divisors (see below), whose sum is σ = 376499536. Its totient is φ = 322713864.

The previous prime is 349606681. The next prime is 349606711. The reversal of 349606699 is 996606943.

It is a happy number.

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 349606699 - 2¹³ = 349598507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349606619) 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, 13446399 + ... + 13446424.

It is an arithmetic number, because the mean of its divisors is an integer number (94124884).

Almost surely, 2^349606699 is an apocalyptic number.

349606699 is a deficient number, since it is larger than the sum of its proper divisors (26892837).

349606699 is a wasteful number, since it uses less digits than its factorization.

349606699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26892836.

The product of its (nonzero) digits is 1889568, while the sum is 52.

The square root of 349606699 is about 18697.7725678756. The cubic root of 349606699 is about 704.4658019214.

The spelling of 349606699 in words is "three hundred forty-nine million, six hundred six thousand, six hundred ninety-nine".