348738287 has 2 divisors, whose sum is σ = 348738288. Its totient is φ = 348738286.

The previous prime is 348738233. The next prime is 348738307. The reversal of 348738287 is 782837843.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 348738287 - 2¹⁸ = 348476143 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348738587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174369143 + 174369144.

It is an arithmetic number, because the mean of its divisors is an integer number (174369144).

Almost surely, 2^348738287 is an apocalyptic number.

348738287 is a deficient number, since it is larger than the sum of its proper divisors (1).

348738287 is an equidigital number, since it uses as much as digits as its factorization.

348738287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1806336, while the sum is 50.

The square root of 348738287 is about 18674.5357907499. The cubic root of 348738287 is about 703.8820280272.

The spelling of 348738287 in words is "three hundred forty-eight million, seven hundred thirty-eight thousand, two hundred eighty-seven".