30684096 has 84 divisors (see below), whose sum is σ = 91254072. Its totient is φ = 10222848.

The previous prime is 30684083. The next prime is 30684097. The reversal of 30684096 is 69048603.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 30684096.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30684097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14566 + ... + 16538.

It is an arithmetic number, because the mean of its divisors is an integer number (1086358).

Almost surely, 2^30684096 is an apocalyptic number.

30684096 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30684096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45627036).

30684096 is an abundant number, since it is smaller than the sum of its proper divisors (60569976).

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

30684096 is an equidigital number, since it uses as much as digits as its factorization.

30684096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000 (or 1978 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 30684096 is about 5539.3227022805. The cubic root of 30684096 is about 313.0673503534.

It can be divided in two parts, 306840 and 96, that added together give a triangular number (306936 = T₇₈₃).

The spelling of 30684096 in words is "thirty million, six hundred eighty-four thousand, ninety-six".