348739 has 2 divisors, whose sum is σ = 348740. Its totient is φ = 348738.

The previous prime is 348731. The next prime is 348757. The reversal of 348739 is 937843.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 348739 - 2³ = 348731 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (348731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174369 + 174370.

It is an arithmetic number, because the mean of its divisors is an integer number (174370).

2³⁴⁸⁷³⁹ is an apocalyptic number.

348739 is a deficient number, since it is larger than the sum of its proper divisors (1).

348739 is an equidigital number, since it uses as much as digits as its factorization.

348739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The square root of 348739 is about 590.5412771348. The cubic root of 348739 is about 70.3882507726.

The spelling of 348739 in words is "three hundred forty-eight thousand, seven hundred thirty-nine".