348281939 has 4 divisors (see below), whose sum is σ = 363424656. Its totient is φ = 333139224.

The previous prime is 348281929. The next prime is 348281981. The reversal of 348281939 is 939182843.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 939182843 = 53 ⋅17720431.

It is a cyclic number.

It is not a de Polignac number, because 348281939 - 2¹² = 348277843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 348281893 and 348281902.

It is not an unprimeable number, because it can be changed into a prime (348281929) 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 3 ways as a sum of consecutive naturals, for example, 7571324 + ... + 7571369.

It is an arithmetic number, because the mean of its divisors is an integer number (90856164).

Almost surely, 2^348281939 is an apocalyptic number.

348281939 is a deficient number, since it is larger than the sum of its proper divisors (15142717).

348281939 is a wasteful number, since it uses less digits than its factorization.

348281939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15142716.

The product of its digits is 373248, while the sum is 47.

The square root of 348281939 is about 18662.3133346324. The cubic root of 348281939 is about 703.5748680160.

The spelling of 348281939 in words is "three hundred forty-eight million, two hundred eighty-one thousand, nine hundred thirty-nine".