30428634 has 16 divisors (see below), whose sum is σ = 61195680. Its totient is φ = 10086480.

The previous prime is 30428621. The next prime is 30428687. The reversal of 30428634 is 43682403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12924 + ... + 15095.

It is an arithmetic number, because the mean of its divisors is an integer number (3824730).

Almost surely, 2^30428634 is an apocalyptic number.

30428634 is an abundant number, since it is smaller than the sum of its proper divisors (30767046).

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

30428634 is a wasteful number, since it uses less digits than its factorization.

30428634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28205.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 30428634 is about 5516.2155505382. The cubic root of 30428634 is about 312.1961086292.

The spelling of 30428634 in words is "thirty million, four hundred twenty-eight thousand, six hundred thirty-four".