343198994 has 4 divisors (see below), whose sum is σ = 514798494. Its totient is φ = 171599496.

The previous prime is 343198951. The next prime is 343199011. The reversal of 343198994 is 499891343.

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., 333975625 + 9223369 = 18275^2 + 3037^2 .

It is a super-2 number, since 2×343198994² = 235571098965224072, which contains 22 as substring.

It is an unprimeable number.

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, 85799747 + ... + 85799750.

Almost surely, 2^343198994 is an apocalyptic number.

343198994 is a deficient number, since it is larger than the sum of its proper divisors (171599500).

343198994 is a wasteful number, since it uses less digits than its factorization.

343198994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171599499.

The product of its digits is 839808, while the sum is 50.

The square root of 343198994 is about 18525.6307315028. The cubic root of 343198994 is about 700.1353438978.

The spelling of 343198994 in words is "three hundred forty-three million, one hundred ninety-eight thousand, nine hundred ninety-four".