342942829 has 2 divisors, whose sum is σ = 342942830. Its totient is φ = 342942828.

The previous prime is 342942827. The next prime is 342942833. The reversal of 342942829 is 928249243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 329422500 + 13520329 = 18150^2 + 3677^2 .

It is a cyclic number.

It is not a de Polignac number, because 342942829 - 2¹ = 342942827 is a prime.

Together with 342942827, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342942823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171471414 + 171471415.

It is an arithmetic number, because the mean of its divisors is an integer number (171471415).

Almost surely, 2^342942829 is an apocalyptic number.

It is an amenable number.

342942829 is a deficient number, since it is larger than the sum of its proper divisors (1).

342942829 is an equidigital number, since it uses as much as digits as its factorization.

342942829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 43.

The square root of 342942829 is about 18518.7156412101. The cubic root of 342942829 is about 699.9611060022.

The spelling of 342942829 in words is "three hundred forty-two million, nine hundred forty-two thousand, eight hundred twenty-nine".