199609296 has 20 divisors (see below), whose sum is σ = 515657472. Its totient is φ = 66536416.

The previous prime is 199609283. The next prime is 199609297. The reversal of 199609296 is 692906991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199609297) 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, 2079216 + ... + 2079311.

Almost surely, 2^199609296 is an apocalyptic number.

199609296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

199609296 is an abundant number, since it is smaller than the sum of its proper divisors (316048176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199609296 is a wasteful number, since it uses less digits than its factorization.

199609296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4158538 (or 4158532 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 51.

The square root of 199609296 is about 14128.3153985180. The cubic root of 199609296 is about 584.4224909253.

The spelling of 199609296 in words is "one hundred ninety-nine million, six hundred nine thousand, two hundred ninety-six".