199089206 has 4 divisors (see below), whose sum is σ = 298633812. Its totient is φ = 99544602.

The previous prime is 199089199. The next prime is 199089251. The reversal of 199089206 is 602980991.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49772300 + ... + 49772303.

It is an arithmetic number, because the mean of its divisors is an integer number (74658453).

Almost surely, 2^199089206 is an apocalyptic number.

199089206 is a deficient number, since it is larger than the sum of its proper divisors (99544606).

199089206 is an equidigital number, since it uses as much as digits as its factorization.

199089206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99544605.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 199089206 is about 14109.8974482453. The cubic root of 199089206 is about 583.9144707265.

The spelling of 199089206 in words is "one hundred ninety-nine million, eighty-nine thousand, two hundred six".