30403434 has 16 divisors (see below), whose sum is σ = 60869088. Its totient is φ = 10124112.

The previous prime is 30403421. The next prime is 30403453. The reversal of 30403434 is 43430403.

It is a self number, because there is not a number n which added to its sum of digits gives 30403434.

It is an unprimeable number.

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, 5904 + ... + 9780.

It is an arithmetic number, because the mean of its divisors is an integer number (3804318).

Almost surely, 2^30403434 is an apocalyptic number.

30403434 is an abundant number, since it is smaller than the sum of its proper divisors (30465654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30403434 is a wasteful number, since it uses less digits than its factorization.

30403434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5189.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 30403434 is about 5513.9309027227. The cubic root of 30403434 is about 312.1099012896.

Adding to 30403434 its reverse (43430403), we get a palindrome (73833837).

The spelling of 30403434 in words is "thirty million, four hundred three thousand, four hundred thirty-four".