349749433 has 8 divisors (see below), whose sum is σ = 384458976. Its totient is φ = 315525600.

The previous prime is 349749383. The next prime is 349749469. The reversal of 349749433 is 334947943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 349749433 - 2²⁵ = 316195001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (349749133) 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 7 ways as a sum of consecutive naturals, for example, 119916 + ... + 122797.

It is an arithmetic number, because the mean of its divisors is an integer number (48057372).

Almost surely, 2^349749433 is an apocalyptic number.

It is an amenable number.

349749433 is a deficient number, since it is larger than the sum of its proper divisors (34709543).

349749433 is a wasteful number, since it uses less digits than its factorization.

349749433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242855.

The product of its digits is 979776, while the sum is 46.

The square root of 349749433 is about 18701.5890501315. The cubic root of 349749433 is about 704.5616596773.

The spelling of 349749433 in words is "three hundred forty-nine million, seven hundred forty-nine thousand, four hundred thirty-three".