348538387 has 2 divisors, whose sum is σ = 348538388. Its totient is φ = 348538386.

The previous prime is 348538367. The next prime is 348538397. The reversal of 348538387 is 783835843.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 348538387 - 2²³ = 340149779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 348538387.

It is not a weakly prime, because it can be changed into another prime (348538367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174269193 + 174269194.

It is an arithmetic number, because the mean of its divisors is an integer number (174269194).

Almost surely, 2^348538387 is an apocalyptic number.

348538387 is a deficient number, since it is larger than the sum of its proper divisors (1).

348538387 is an equidigital number, since it uses as much as digits as its factorization.

348538387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 49.

The square root of 348538387 is about 18669.1828155386. The cubic root of 348538387 is about 703.7475117668.

The spelling of 348538387 in words is "three hundred forty-eight million, five hundred thirty-eight thousand, three hundred eighty-seven".