342409085 has 4 divisors (see below), whose sum is σ = 410890908. Its totient is φ = 273927264.

The previous prime is 342409079. The next prime is 342409153. The reversal of 342409085 is 580904243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 580904243 = 43 ⋅13509401.

It can be written as a sum of positive squares in 2 ways, for example, as 56866681 + 285542404 = 7541^2 + 16898^2 .

It is a cyclic number.

It is not a de Polignac number, because 342409085 - 2⁴ = 342409069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34240904 + ... + 34240913.

It is an arithmetic number, because the mean of its divisors is an integer number (102722727).

Almost surely, 2^342409085 is an apocalyptic number.

It is an amenable number.

342409085 is a deficient number, since it is larger than the sum of its proper divisors (68481823).

342409085 is an equidigital number, since it uses as much as digits as its factorization.

342409085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68481822.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 342409085 is about 18504.2990950752. The cubic root of 342409085 is about 699.5977859423.

The spelling of 342409085 in words is "three hundred forty-two million, four hundred nine thousand, eighty-five".