348257843 has 2 divisors, whose sum is σ = 348257844. Its totient is φ = 348257842.

The previous prime is 348257837. The next prime is 348257863. The reversal of 348257843 is 348752843.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 348257843 - 2¹² = 348253747 is a prime.

It is a super-2 number, since 2×348257843² = 242567050422025298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 348257794 and 348257803.

It is not a weakly prime, because it can be changed into another prime (348257863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174128921 + 174128922.

It is an arithmetic number, because the mean of its divisors is an integer number (174128922).

Almost surely, 2^348257843 is an apocalyptic number.

348257843 is a deficient number, since it is larger than the sum of its proper divisors (1).

348257843 is an equidigital number, since it uses as much as digits as its factorization.

348257843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 44.

The square root of 348257843 is about 18661.6677443362. The cubic root of 348257843 is about 703.5586419559.

The spelling of 348257843 in words is "three hundred forty-eight million, two hundred fifty-seven thousand, eight hundred forty-three".