348540193 has 8 divisors (see below), whose sum is σ = 354574440. Its totient is φ = 342556800.

The previous prime is 348540173. The next prime is 348540209. The reversal of 348540193 is 391045843.

It can be written as a sum of positive squares in 4 ways, for example, as 255456289 + 93083904 = 15983^2 + 9648^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348540193 is a prime.

It is a super-2 number, since 2×348540193² = 242960532272954498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348540133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1243 + ... + 26431.

It is an arithmetic number, because the mean of its divisors is an integer number (44321805).

Almost surely, 2^348540193 is an apocalyptic number.

It is an amenable number.

348540193 is a deficient number, since it is larger than the sum of its proper divisors (6034247).

348540193 is a wasteful number, since it uses less digits than its factorization.

348540193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25427.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 348540193 is about 18669.2311839561. The cubic root of 348540193 is about 703.7487272865.

The spelling of 348540193 in words is "three hundred forty-eight million, five hundred forty thousand, one hundred ninety-three".