30829993 has 8 divisors (see below), whose sum is σ = 32693760. Its totient is φ = 28971840.

The previous prime is 30829969. The next prime is 30829999. The reversal of 30829993 is 39992803.

It is a happy number.

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 30829993 - 2⁹ = 30829481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30829999) 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, 16648 + ... + 18406.

It is an arithmetic number, because the mean of its divisors is an integer number (4086720).

Almost surely, 2^30829993 is an apocalyptic number.

It is an amenable number.

30829993 is a deficient number, since it is larger than the sum of its proper divisors (1863767).

30829993 is a wasteful number, since it uses less digits than its factorization.

30829993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 30829993 is about 5552.4762944114. The cubic root of 30829993 is about 313.5627577566.

The spelling of 30829993 in words is "thirty million, eight hundred twenty-nine thousand, nine hundred ninety-three".