348280069 has 4 divisors (see below), whose sum is σ = 348334444. Its totient is φ = 348225696.

The previous prime is 348280067. The next prime is 348280081. The reversal of 348280069 is 960082843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 960082843 = 61 ⋅15739063.

It can be written as a sum of positive squares in 2 ways, for example, as 192155044 + 156125025 = 13862^2 + 12495^2 .

It is a cyclic number.

It is not a de Polignac number, because 348280069 - 2¹ = 348280067 is a prime.

It is a super-2 number, since 2×348280069² = 242598012925289522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348280061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16062 + ... + 30895.

It is an arithmetic number, because the mean of its divisors is an integer number (87083611).

Almost surely, 2^348280069 is an apocalyptic number.

It is an amenable number.

348280069 is a deficient number, since it is larger than the sum of its proper divisors (54375).

348280069 is an equidigital number, since it uses as much as digits as its factorization.

348280069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54374.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 348280069 is about 18662.2632335952. The cubic root of 348280069 is about 703.5736087993.

The spelling of 348280069 in words is "three hundred forty-eight million, two hundred eighty thousand, sixty-nine".