30405199 has 8 divisors (see below), whose sum is σ = 33795792. Its totient is φ = 27119040.

The previous prime is 30405169. The next prime is 30405211. The reversal of 30405199 is 99150403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30405199 - 2⁷ = 30405071 is a prime.

It is a super-2 number, since 2×30405199² = 1848952252459202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30405199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30405139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25494 + ... + 26659.

It is an arithmetic number, because the mean of its divisors is an integer number (4224474).

Almost surely, 2^30405199 is an apocalyptic number.

30405199 is a deficient number, since it is larger than the sum of its proper divisors (3390593).

30405199 is a wasteful number, since it uses less digits than its factorization.

30405199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52217.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 30405199 is about 5514.0909495582. The cubic root of 30405199 is about 312.1159407753.

The spelling of 30405199 in words is "thirty million, four hundred five thousand, one hundred ninety-nine".