348637 has 2 divisors, whose sum is σ = 348638. Its totient is φ = 348636.

The previous prime is 348629. The next prime is 348643. The reversal of 348637 is 736843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177241 + 171396 = 421^2 + 414^2 .

It is an emirp because it is prime and its reverse (736843) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 348637 - 2³ = 348629 is a prime.

It is a d-powerful number, because it can be written as 3³ + 4⁸ + 6⁷ + 8 + 3⁶ + 7⁴ .

It is a junction number, because it is equal to n+sod(n) for n = 348599 and 348608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348617) 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, 174318 + 174319.

It is an arithmetic number, because the mean of its divisors is an integer number (174319).

2³⁴⁸⁶³⁷ is an apocalyptic number.

It is an amenable number.

348637 is a deficient number, since it is larger than the sum of its proper divisors (1).

348637 is an equidigital number, since it uses as much as digits as its factorization.

348637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 31.

The square root of 348637 is about 590.4549093707. The cubic root of 348637 is about 70.3813876632.

The spelling of 348637 in words is "three hundred forty-eight thousand, six hundred thirty-seven".