30429999 has 20 divisors (see below), whose sum is σ = 45711864. Its totient is φ = 20173104.

The previous prime is 30429923. The next prime is 30430013. The reversal of 30429999 is 99992403.

It is not a de Polignac number, because 30429999 - 2¹⁷ = 30298927 is a prime.

30429999 is a modest number, since divided by 9999 gives 3042 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30428999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15004 + ... + 16910.

Almost surely, 2^30429999 is an apocalyptic number.

30429999 is a deficient number, since it is larger than the sum of its proper divisors (15281865).

30429999 is a wasteful number, since it uses less digits than its factorization.

30429999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116 (or 2107 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The square root of 30429999 is about 5516.3392752803. The cubic root of 30429999 is about 312.2007768344.

It can be divided in two parts, 3042 and 9999, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 30429999 in words is "thirty million, four hundred twenty-nine thousand, nine hundred ninety-nine".