30399343 has 4 divisors (see below), whose sum is σ = 32737768. Its totient is φ = 28060920.

The previous prime is 30399329. The next prime is 30399359. The reversal of 30399343 is 34399303.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30399343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30399299 and 30399308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30399143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1169193 + ... + 1169218.

It is an arithmetic number, because the mean of its divisors is an integer number (8184442).

Almost surely, 2^30399343 is an apocalyptic number.

30399343 is a deficient number, since it is larger than the sum of its proper divisors (2338425).

30399343 is a wasteful number, since it uses less digits than its factorization.

30399343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338424.

The product of its (nonzero) digits is 26244, while the sum is 34.

The square root of 30399343 is about 5513.5599207771. The cubic root of 30399343 is about 312.0959017867.

The spelling of 30399343 in words is "thirty million, three hundred ninety-nine thousand, three hundred forty-three".