342079809 has 8 divisors (see below), whose sum is σ = 456203520. Its totient is φ = 228004656.

The previous prime is 342079807. The next prime is 342079813. The reversal of 342079809 is 908970243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 342079809 - 2¹ = 342079807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (342079807) 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 in 7 ways as a sum of consecutive naturals, for example, 10147 + ... + 28055.

It is an arithmetic number, because the mean of its divisors is an integer number (57025440).

Almost surely, 2^342079809 is an apocalyptic number.

It is an amenable number.

342079809 is a deficient number, since it is larger than the sum of its proper divisors (114123711).

342079809 is a wasteful number, since it uses less digits than its factorization.

342079809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24279.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 342079809 is about 18495.3996712696. The cubic root of 342079809 is about 699.3734591045.

The spelling of 342079809 in words is "three hundred forty-two million, seventy-nine thousand, eight hundred nine".