30805430 has 8 divisors (see below), whose sum is σ = 55449792. Its totient is φ = 12322168.

The previous prime is 30805421. The next prime is 30805433. The reversal of 30805430 is 3450803.

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

It is a junction number, because it is equal to n+sod(n) for n = 30805396 and 30805405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30805433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1540262 + ... + 1540281.

It is an arithmetic number, because the mean of its divisors is an integer number (6931224).

Almost surely, 2^30805430 is an apocalyptic number.

30805430 is a deficient number, since it is larger than the sum of its proper divisors (24644362).

30805430 is a wasteful number, since it uses less digits than its factorization.

30805430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080550.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 30805430 is about 5550.2639576871. The cubic root of 30805430 is about 313.4794612906.

The spelling of 30805430 in words is "thirty million, eight hundred five thousand, four hundred thirty".