99399429 has 12 divisors (see below), whose sum is σ = 144972256. Its totient is φ = 65622312.

The previous prime is 99399413. The next prime is 99399463. The reversal of 99399429 is 92499399.

It is not a de Polignac number, because 99399429 - 2⁴ = 99399413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99399409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52687 + ... + 54540.

Almost surely, 2^99399429 is an apocalyptic number.

It is an amenable number.

99399429 is a deficient number, since it is larger than the sum of its proper divisors (45572827).

99399429 is a wasteful number, since it uses less digits than its factorization.

99399429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107336 (or 107333 counting only the distinct ones).

The product of its digits is 1417176, while the sum is 54.

The square root of 99399429 is about 9969.9262284131. The cubic root of 99399429 is about 463.2278157430.

The spelling of 99399429 in words is "ninety-nine million, three hundred ninety-nine thousand, four hundred twenty-nine".