348661 has 2 divisors, whose sum is σ = 348662. Its totient is φ = 348660.

The previous prime is 348643. The next prime is 348671. The reversal of 348661 is 166843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255025 + 93636 = 505^2 + 306^2 .

It is an emirp because it is prime and its reverse (166843) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 348661 - 2⁵ = 348629 is a prime.

It is equal to p₂₉₈₇₂ and since 348661 and 29872 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174330 + 174331.

It is an arithmetic number, because the mean of its divisors is an integer number (174331).

2³⁴⁸⁶⁶¹ is an apocalyptic number.

It is an amenable number.

348661 is a deficient number, since it is larger than the sum of its proper divisors (1).

348661 is an equidigital number, since it uses as much as digits as its factorization.

348661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 348661 is about 590.4752323341. The cubic root of 348661 is about 70.3830026329.

The spelling of 348661 in words is "three hundred forty-eight thousand, six hundred sixty-one".