30428199 has 12 divisors (see below), whose sum is σ = 44062200. Its totient is φ = 20234544.

The previous prime is 30428179. The next prime is 30428213. The reversal of 30428199 is 99182403.

It is not a de Polignac number, because 30428199 - 2⁷ = 30428071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30428119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 264 + ... + 7805.

It is an arithmetic number, because the mean of its divisors is an integer number (3671850).

Almost surely, 2^30428199 is an apocalyptic number.

30428199 is a deficient number, since it is larger than the sum of its proper divisors (13634001).

30428199 is a wasteful number, since it uses less digits than its factorization.

30428199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8494 (or 8491 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 30428199 is about 5516.1761211912. The cubic root of 30428199 is about 312.1946209301.

The spelling of 30428199 in words is "thirty million, four hundred twenty-eight thousand, one hundred ninety-nine".