342167009 has 4 divisors (see below), whose sum is σ = 351414804. Its totient is φ = 332919216.

The previous prime is 342166999. The next prime is 342167011. The reversal of 342167009 is 900761243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 900761243 = 3109 ⋅289727.

It can be written as a sum of positive squares in 2 ways, for example, as 240157009 + 102010000 = 15497^2 + 10100^2 .

It is a cyclic number.

It is not a de Polignac number, because 342167009 - 2¹² = 342162913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342167069) 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 3 ways as a sum of consecutive naturals, for example, 4623842 + ... + 4623915.

It is an arithmetic number, because the mean of its divisors is an integer number (87853701).

Almost surely, 2^342167009 is an apocalyptic number.

It is an amenable number.

342167009 is a deficient number, since it is larger than the sum of its proper divisors (9247795).

342167009 is an equidigital number, since it uses as much as digits as its factorization.

342167009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9247794.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 342167009 is about 18497.7568640092. The cubic root of 342167009 is about 699.4328801156.

The spelling of 342167009 in words is "three hundred forty-two million, one hundred sixty-seven thousand, nine".