99187429 has 8 divisors (see below), whose sum is σ = 113899680. Its totient is φ = 85424400.

The previous prime is 99187427. The next prime is 99187441. The reversal of 99187429 is 92478199.

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 99187429 - 2¹ = 99187427 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99187421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237082 + ... + 237499.

It is an arithmetic number, because the mean of its divisors is an integer number (14237460).

Almost surely, 2^99187429 is an apocalyptic number.

It is an amenable number.

99187429 is a deficient number, since it is larger than the sum of its proper divisors (14712251).

99187429 is a wasteful number, since it uses less digits than its factorization.

99187429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474611.

The product of its digits is 326592, while the sum is 49.

The square root of 99187429 is about 9959.2885790100. The cubic root of 99187429 is about 462.8982558459.

The spelling of 99187429 in words is "ninety-nine million, one hundred eighty-seven thousand, four hundred twenty-nine".