348204389 has 12 divisors (see below), whose sum is σ = 377582436. Its totient is φ = 320965632.

The previous prime is 348204359. The next prime is 348204413. The reversal of 348204389 is 983402843.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 90345025 + 257859364 = 9505^2 + 16058^2 .

It is not a de Polignac number, because 348204389 - 2⁸ = 348204133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348204359) 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 11 ways as a sum of consecutive naturals, for example, 204827 + ... + 206519.

It is an arithmetic number, because the mean of its divisors is an integer number (31465203).

Almost surely, 2^348204389 is an apocalyptic number.

It is an amenable number.

348204389 is a deficient number, since it is larger than the sum of its proper divisors (29378047).

348204389 is a wasteful number, since it uses less digits than its factorization.

348204389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936 (or 2923 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 348204389 is about 18660.2355022652. The cubic root of 348204389 is about 703.5226437736.

The spelling of 348204389 in words is "three hundred forty-eight million, two hundred four thousand, three hundred eighty-nine".