348444947 has 16 divisors (see below), whose sum is σ = 373263360. Its totient is φ = 324632448.

The previous prime is 348444923. The next prime is 348444959. The reversal of 348444947 is 749444843.

It is a cyclic number.

It is not a de Polignac number, because 348444947 - 2¹⁸ = 348182803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348444907) 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 15 ways as a sum of consecutive naturals, for example, 134993 + ... + 137549.

It is an arithmetic number, because the mean of its divisors is an integer number (23328960).

Almost surely, 2^348444947 is an apocalyptic number.

348444947 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

348444947 is a deficient number, since it is larger than the sum of its proper divisors (24818413).

348444947 is a wasteful number, since it uses less digits than its factorization.

348444947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750.

The product of its digits is 1548288, while the sum is 47.

The square root of 348444947 is about 18666.6801279713. The cubic root of 348444947 is about 703.6846166910.

The spelling of 348444947 in words is "three hundred forty-eight million, four hundred forty-four thousand, nine hundred forty-seven".