199100829 has 16 divisors (see below), whose sum is σ = 280082880. Its totient is φ = 125458560.

The previous prime is 199100801. The next prime is 199100831. The reversal of 199100829 is 928001991.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-199100829 is a prime.

It is a super-2 number, since 2×199100829² = 79282280216974482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199100849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22489 + ... + 30065.

It is an arithmetic number, because the mean of its divisors is an integer number (17505180).

Almost surely, 2^199100829 is an apocalyptic number.

199100829 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

199100829 is a deficient number, since it is larger than the sum of its proper divisors (80982051).

199100829 is a wasteful number, since it uses less digits than its factorization.

199100829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8060.

The product of its (nonzero) digits is 11664, while the sum is 39.

The square root of 199100829 is about 14110.3093162411. The cubic root of 199100829 is about 583.9258336493.

The spelling of 199100829 in words is "one hundred ninety-nine million, one hundred thousand, eight hundred twenty-nine".