30926304 has 72 divisors (see below), whose sum is σ = 89212032. Its totient is φ = 10160640.

The previous prime is 30926303. The next prime is 30926321. The reversal of 30926304 is 40362903.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30926303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20289 + ... + 21759.

It is an arithmetic number, because the mean of its divisors is an integer number (1239056).

Almost surely, 2^30926304 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 30926304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44606016).

30926304 is an abundant number, since it is smaller than the sum of its proper divisors (58285728).

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

30926304 is a wasteful number, since it uses less digits than its factorization.

30926304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560 (or 1549 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 30926304 is about 5561.1423286947. The cubic root of 30926304 is about 313.8889352558. Note that the first 3 decimals are identical.

The spelling of 30926304 in words is "thirty million, nine hundred twenty-six thousand, three hundred four".