99191029 has 8 divisors (see below), whose sum is σ = 113567040. Its totient is φ = 84866496.

The previous prime is 99191017. The next prime is 99191051. The reversal of 99191029 is 92019199.

99191029 = 106² + 107² + ... + 668².

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

It is a cyclic number.

It is not a de Polignac number, because 99191029 - 2⁵ = 99190997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99190982 and 99191000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99101029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8644 + ... + 16525.

It is an arithmetic number, because the mean of its divisors is an integer number (14195880).

Almost surely, 2^99191029 is an apocalyptic number.

It is an amenable number.

99191029 is a deficient number, since it is larger than the sum of its proper divisors (14376011).

99191029 is a wasteful number, since it uses less digits than its factorization.

99191029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25739.

The product of its (nonzero) digits is 13122, while the sum is 40.

The square root of 99191029 is about 9959.4693131713. The cubic root of 99191029 is about 462.9038560635.

The spelling of 99191029 in words is "ninety-nine million, one hundred ninety-one thousand, twenty-nine".