342686194 has 16 divisors (see below), whose sum is σ = 516922560. Its totient is φ = 170382160.

The previous prime is 342686191. The next prime is 342686203. The reversal of 342686194 is 491686243.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 342686194.

It is not an unprimeable number, because it can be changed into a prime (342686191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408027 + ... + 408865.

It is an arithmetic number, because the mean of its divisors is an integer number (32307660).

Almost surely, 2^342686194 is an apocalyptic number.

342686194 is a deficient number, since it is larger than the sum of its proper divisors (174236366).

342686194 is a wasteful number, since it uses less digits than its factorization.

342686194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745.

The product of its digits is 248832, while the sum is 43.

The square root of 342686194 is about 18511.7852731713. The cubic root of 342686194 is about 699.7864613962.

The spelling of 342686194 in words is "three hundred forty-two million, six hundred eighty-six thousand, one hundred ninety-four".