30434684 has 36 divisors (see below), whose sum is σ = 63967680. Its totient is φ = 12620160.

The previous prime is 30434639. The next prime is 30434699. The reversal of 30434684 is 48643403.

It is a self number, because there is not a number n which added to its sum of digits gives 30434684.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 3572 + ... + 8580.

It is an arithmetic number, because the mean of its divisors is an integer number (1776880).

Almost surely, 2^30434684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30434684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31983840).

30434684 is an abundant number, since it is smaller than the sum of its proper divisors (33532996).

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

30434684 is a wasteful number, since it uses less digits than its factorization.

30434684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5058 (or 5049 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 30434684 is about 5516.7639064945. The cubic root of 30434684 is about 312.2167981470.

The spelling of 30434684 in words is "thirty million, four hundred thirty-four thousand, six hundred eighty-four".