348905049 has 4 divisors (see below), whose sum is σ = 465206736. Its totient is φ = 232603364.

The previous prime is 348904993. The next prime is 348905069. The reversal of 348905049 is 940509843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 348905049 - 2¹¹ = 348903001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 348905049.

It is not an unprimeable number, because it can be changed into a prime (348905069) 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 3 ways as a sum of consecutive naturals, for example, 58150839 + ... + 58150844.

It is an arithmetic number, because the mean of its divisors is an integer number (116301684).

Almost surely, 2^348905049 is an apocalyptic number.

It is an amenable number.

348905049 is a deficient number, since it is larger than the sum of its proper divisors (116301687).

348905049 is a wasteful number, since it uses less digits than its factorization.

348905049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116301686.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 348905049 is about 18679.0002141442. Note that the first 3 decimals coincide. The cubic root of 348905049 is about 703.9942058160.

The spelling of 348905049 in words is "three hundred forty-eight million, nine hundred five thousand, forty-nine".