342024409 has 2 divisors, whose sum is σ = 342024410. Its totient is φ = 342024408.

The previous prime is 342024391. The next prime is 342024433. The reversal of 342024409 is 904420243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 325008784 + 17015625 = 18028^2 + 4125^2 .

It is an emirp because it is prime and its reverse (904420243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342024409 - 2⁷ = 342024281 is a prime.

It is a super-4 number, since 4×342024409⁴ (a number of 35 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (342024439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171012204 + 171012205.

It is an arithmetic number, because the mean of its divisors is an integer number (171012205).

Almost surely, 2^342024409 is an apocalyptic number.

It is an amenable number.

342024409 is a deficient number, since it is larger than the sum of its proper divisors (1).

342024409 is an equidigital number, since it uses as much as digits as its factorization.

342024409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 342024409 is about 18493.9019409101. The cubic root of 342024409 is about 699.3357024364.

The spelling of 342024409 in words is "three hundred forty-two million, twenty-four thousand, four hundred nine".