342868637 has 2 divisors, whose sum is σ = 342868638. Its totient is φ = 342868636.

The previous prime is 342868633. The next prime is 342868693. The reversal of 342868637 is 736868243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213568996 + 129299641 = 14614^2 + 11371^2 .

It is an emirp because it is prime and its reverse (736868243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342868637 - 2² = 342868633 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 342868591 and 342868600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342868633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171434318 + 171434319.

It is an arithmetic number, because the mean of its divisors is an integer number (171434319).

Almost surely, 2^342868637 is an apocalyptic number.

It is an amenable number.

342868637 is a deficient number, since it is larger than the sum of its proper divisors (1).

342868637 is an equidigital number, since it uses as much as digits as its factorization.

342868637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 47.

The square root of 342868637 is about 18516.7123701806. The cubic root of 342868637 is about 699.9106260044.

The spelling of 342868637 in words is "three hundred forty-two million, eight hundred sixty-eight thousand, six hundred thirty-seven".