342204634 has 4 divisors (see below), whose sum is σ = 513306954. Its totient is φ = 171102316.

The previous prime is 342204617. The next prime is 342204637. The reversal of 342204634 is 436402243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 436402243 = 233 ⋅1872971.

It can be written as a sum of positive squares in only one way, i.e., 220433409 + 121771225 = 14847^2 + 11035^2 .

It is not an unprimeable number, because it can be changed into a prime (342204637) 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 as a sum of consecutive naturals, namely, 85551157 + ... + 85551160.

Almost surely, 2^342204634 is an apocalyptic number.

342204634 is a deficient number, since it is larger than the sum of its proper divisors (171102320).

342204634 is a wasteful number, since it uses less digits than its factorization.

342204634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171102319.

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 342204634 is about 18498.7738512584. The cubic root of 342204634 is about 699.4585159376.

Adding to 342204634 its reverse (436402243), we get a palindrome (778606877).

The spelling of 342204634 in words is "three hundred forty-two million, two hundred four thousand, six hundred thirty-four".