342746858 has 4 divisors (see below), whose sum is σ = 514120290. Its totient is φ = 171373428.

The previous prime is 342746837. The next prime is 342746863. The reversal of 342746858 is 858647243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 307546369 + 35200489 = 17537^2 + 5933^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 85686713 + ... + 85686716.

Almost surely, 2^342746858 is an apocalyptic number.

342746858 is a deficient number, since it is larger than the sum of its proper divisors (171373432).

342746858 is a wasteful number, since it uses less digits than its factorization.

342746858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171373431.

The product of its digits is 1290240, while the sum is 47.

The square root of 342746858 is about 18513.4237244222. The cubic root of 342746858 is about 699.8277521766.

The spelling of 342746858 in words is "three hundred forty-two million, seven hundred forty-six thousand, eight hundred fifty-eight".