342898489 has 2 divisors, whose sum is σ = 342898490. Its totient is φ = 342898488.

The previous prime is 342898487. The next prime is 342898531. The reversal of 342898489 is 984898243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 258405625 + 84492864 = 16075^2 + 9192^2 .

It is a cyclic number.

It is not a de Polignac number, because 342898489 - 2¹ = 342898487 is a prime.

Together with 342898487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (342898487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171449244 + 171449245.

It is an arithmetic number, because the mean of its divisors is an integer number (171449245).

Almost surely, 2^342898489 is an apocalyptic number.

It is an amenable number.

342898489 is a deficient number, since it is larger than the sum of its proper divisors (1).

342898489 is an equidigital number, since it uses as much as digits as its factorization.

342898489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3981312, while the sum is 55.

The square root of 342898489 is about 18517.5184352548. The cubic root of 342898489 is about 699.9309380845.

It can be divided in two parts, 34289 and 8489, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 342898489 in words is "three hundred forty-two million, eight hundred ninety-eight thousand, four hundred eighty-nine".