199670698 has 8 divisors (see below), whose sum is σ = 299662308. Its totient is φ = 99783264.

The previous prime is 199670689. The next prime is 199670719. The reversal of 199670698 is 896076991.

199670698 is digitally balanced in base 3, 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 193682889 + 5987809 = 13917^2 + 2447^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21061 + ... + 29032.

Almost surely, 2^199670698 is an apocalyptic number.

199670698 is a deficient number, since it is larger than the sum of its proper divisors (99991610).

199670698 is a wasteful number, since it uses less digits than its factorization.

199670698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52088.

The product of its (nonzero) digits is 1469664, while the sum is 55.

The square root of 199670698 is about 14130.4882435109. The cubic root of 199670698 is about 584.4824096960.

The spelling of 199670698 in words is "one hundred ninety-nine million, six hundred seventy thousand, six hundred ninety-eight".