342909965 has 4 divisors (see below), whose sum is σ = 411491964. Its totient is φ = 274327968.

The previous prime is 342909961. The next prime is 342910027. The reversal of 342909965 is 569909243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76143076 + 266766889 = 8726^2 + 16333^2 .

It is a cyclic number.

It is not a de Polignac number, because 342909965 - 2² = 342909961 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342909961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34290992 + ... + 34291001.

It is an arithmetic number, because the mean of its divisors is an integer number (102872991).

Almost surely, 2^342909965 is an apocalyptic number.

It is an amenable number.

342909965 is a deficient number, since it is larger than the sum of its proper divisors (68581999).

342909965 is an equidigital number, since it uses as much as digits as its factorization.

342909965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68581998.

The product of its (nonzero) digits is 524880, while the sum is 47.

The square root of 342909965 is about 18517.8283013965. The cubic root of 342909965 is about 699.9387463408.

The spelling of 342909965 in words is "three hundred forty-two million, nine hundred nine thousand, nine hundred sixty-five".