349035291 has 32 divisors (see below), whose sum is σ = 565593600. Its totient is φ = 210975840.

The previous prime is 349035277. The next prime is 349035317. The reversal of 349035291 is 192530943.

It is a happy number.

It is not a de Polignac number, because 349035291 - 2⁵ = 349035259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (349035241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129045 + ... + 131721.

It is an arithmetic number, because the mean of its divisors is an integer number (17674800).

Almost surely, 2^349035291 is an apocalyptic number.

349035291 is a deficient number, since it is larger than the sum of its proper divisors (216558309).

349035291 is a wasteful number, since it uses less digits than its factorization.

349035291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136 (or 3130 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 349035291 is about 18682.4862103522. The cubic root of 349035291 is about 704.0817924026.

It can be divided in two parts, 3490 and 35291, that added together give a triangular number (38781 = T₂₇₈).

The spelling of 349035291 in words is "three hundred forty-nine million, thirty-five thousand, two hundred ninety-one".