199373434 has 32 divisors (see below), whose sum is σ = 334711440. Its totient is φ = 88435200.

The previous prime is 199373429. The next prime is 199373443. The reversal of 199373434 is 434373991.

It can be written as a sum of positive squares in 8 ways, for example, as 93180409 + 106193025 = 9653^2 + 10305^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211404 + ... + 212344.

Almost surely, 2^199373434 is an apocalyptic number.

199373434 is a deficient number, since it is larger than the sum of its proper divisors (135338006).

199373434 is a wasteful number, since it uses less digits than its factorization.

199373434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266.

The product of its digits is 244944, while the sum is 43.

The square root of 199373434 is about 14119.9657931597. The cubic root of 199373434 is about 584.1922120946.

The spelling of 199373434 in words is "one hundred ninety-nine million, three hundred seventy-three thousand, four hundred thirty-four".