349788433 has 2 divisors, whose sum is σ = 349788434. Its totient is φ = 349788432.

The previous prime is 349788431. The next prime is 349788437. The reversal of 349788433 is 334887943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 345327889 + 4460544 = 18583^2 + 2112^2 .

It is a cyclic number.

It is not a de Polignac number, because 349788433 - 2¹ = 349788431 is a prime.

Together with 349788431, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (349788431) 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 as a sum of consecutive naturals, namely, 174894216 + 174894217.

It is an arithmetic number, because the mean of its divisors is an integer number (174894217).

Almost surely, 2^349788433 is an apocalyptic number.

It is an amenable number.

349788433 is a deficient number, since it is larger than the sum of its proper divisors (1).

349788433 is an equidigital number, since it uses as much as digits as its factorization.

349788433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 49.

The square root of 349788433 is about 18702.6317132108. The cubic root of 349788433 is about 704.5878468853.

The spelling of 349788433 in words is "three hundred forty-nine million, seven hundred eighty-eight thousand, four hundred thirty-three".