198416434 has 8 divisors (see below), whose sum is σ = 307887660. Its totient is φ = 95787216.

The previous prime is 198416431. The next prime is 198416447. The reversal of 198416434 is 434614891.

198416434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 174160809 + 24255625 = 13197^2 + 4925^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (198416431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1710429 + ... + 1710544.

Almost surely, 2^198416434 is an apocalyptic number.

198416434 is a deficient number, since it is larger than the sum of its proper divisors (109471226).

198416434 is a wasteful number, since it uses less digits than its factorization.

198416434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3421004.

The product of its digits is 82944, while the sum is 40.

The square root of 198416434 is about 14086.0368450462. The cubic root of 198416434 is about 583.2559976569.

The spelling of 198416434 in words is "one hundred ninety-eight million, four hundred sixteen thousand, four hundred thirty-four".