348397819 has 8 divisors (see below), whose sum is σ = 434366208. Its totient is φ = 271478760.

The previous prime is 348397811. The next prime is 348397837. The reversal of 348397819 is 918793843.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 348397819 - 2³ = 348397811 is a prime.

It is a super-4 number, since 4×348397819⁴ (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348397811) 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 7 ways as a sum of consecutive naturals, for example, 2262247 + ... + 2262400.

It is an arithmetic number, because the mean of its divisors is an integer number (54295776).

Almost surely, 2^348397819 is an apocalyptic number.

348397819 is a deficient number, since it is larger than the sum of its proper divisors (85968389).

348397819 is a wasteful number, since it uses less digits than its factorization.

348397819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4524665.

The product of its digits is 1306368, while the sum is 52.

The square root of 348397819 is about 18665.4177290518. The cubic root of 348397819 is about 703.6528902599.

The spelling of 348397819 in words is "three hundred forty-eight million, three hundred ninety-seven thousand, eight hundred nineteen".