342665806 has 16 divisors (see below), whose sum is σ = 603304416. Its totient is φ = 142887456.

The previous prime is 342665803. The next prime is 342665819. The reversal of 342665806 is 608566243.

It is a happy number.

342665806 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342665801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330241 + ... + 331276.

It is an arithmetic number, because the mean of its divisors is an integer number (37706526).

Almost surely, 2^342665806 is an apocalyptic number.

342665806 is a deficient number, since it is larger than the sum of its proper divisors (260638610).

342665806 is a wasteful number, since it uses less digits than its factorization.

342665806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661563.

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 342665806 is about 18511.2345887572. The cubic root of 342665806 is about 699.7725832675.

The spelling of 342665806 in words is "three hundred forty-two million, six hundred sixty-five thousand, eight hundred six".