348747239 has 4 divisors (see below), whose sum is σ = 348898680. Its totient is φ = 348595800.

The previous prime is 348747221. The next prime is 348747251. The reversal of 348747239 is 932747843.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348747239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 348747193 and 348747202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348747209) 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, 72212 + ... + 76889.

It is an arithmetic number, because the mean of its divisors is an integer number (87224670).

Almost surely, 2^348747239 is an apocalyptic number.

348747239 is a deficient number, since it is larger than the sum of its proper divisors (151441).

348747239 is a wasteful number, since it uses less digits than its factorization.

348747239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151440.

The product of its digits is 1016064, while the sum is 47.

The square root of 348747239 is about 18674.7754738846. The cubic root of 348747239 is about 703.8880507843. Note that the first 3 decimals are identical.

The spelling of 348747239 in words is "three hundred forty-eight million, seven hundred forty-seven thousand, two hundred thirty-nine".