348813869 has 4 divisors (see below), whose sum is σ = 349021596. Its totient is φ = 348606144.

The previous prime is 348813851. The next prime is 348813877. The reversal of 348813869 is 968318843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 968318843 = 89 ⋅10879987.

It can be written as a sum of positive squares in 2 ways, for example, as 232928644 + 115885225 = 15262^2 + 10765^2 .

It is a cyclic number.

It is not a de Polignac number, because 348813869 - 2⁸ = 348813613 is a prime.

It is a super-2 number, since 2×348813869² = 243342230413498322, 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 (348813889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101324 + ... + 104709.

It is an arithmetic number, because the mean of its divisors is an integer number (87255399).

Almost surely, 2^348813869 is an apocalyptic number.

It is an amenable number.

348813869 is a deficient number, since it is larger than the sum of its proper divisors (207727).

348813869 is a wasteful number, since it uses less digits than its factorization.

348813869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207726.

The product of its digits is 995328, while the sum is 50.

The square root of 348813869 is about 18676.5593458752. The cubic root of 348813869 is about 703.9328751050.

The spelling of 348813869 in words is "three hundred forty-eight million, eight hundred thirteen thousand, eight hundred sixty-nine".