349429799 has 4 divisors (see below), whose sum is σ = 360701760. Its totient is φ = 338157840.

The previous prime is 349429789. The next prime is 349429807. The reversal of 349429799 is 997924943.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349429799 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 (349429709) 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, 5635934 + ... + 5635995.

It is an arithmetic number, because the mean of its divisors is an integer number (90175440).

Almost surely, 2^349429799 is an apocalyptic number.

349429799 is a deficient number, since it is larger than the sum of its proper divisors (11271961).

349429799 is a wasteful number, since it uses less digits than its factorization.

349429799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11271960.

The product of its digits is 4408992, while the sum is 56.

The square root of 349429799 is about 18693.0414593238. The cubic root of 349429799 is about 704.3469626412.

The spelling of 349429799 in words is "three hundred forty-nine million, four hundred twenty-nine thousand, seven hundred ninety-nine".