30654434 has 16 divisors (see below), whose sum is σ = 49724928. Its totient is φ = 14117952.

The previous prime is 30654431. The next prime is 30654439. The reversal of 30654434 is 43445603.

It is a junction number, because it is equal to n+sod(n) for n = 30654397 and 30654406.

It is not an unprimeable number, because it can be changed into a prime (30654431) 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, 7994 + ... + 11189.

It is an arithmetic number, because the mean of its divisors is an integer number (3107808).

Almost surely, 2^30654434 is an apocalyptic number.

30654434 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30654434 is a deficient number, since it is larger than the sum of its proper divisors (19070494).

30654434 is a wasteful number, since it uses less digits than its factorization.

30654434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19249.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 30654434 is about 5536.6446517724. The cubic root of 30654434 is about 312.9664381670.

The spelling of 30654434 in words is "thirty million, six hundred fifty-four thousand, four hundred thirty-four".