30896320 has 112 divisors (see below), whose sum is σ = 90635328. Its totient is φ = 9768960.

The previous prime is 30896311. The next prime is 30896321. The reversal of 30896320 is 2369803.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (30896321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28590 + ... + 29650.

It is an arithmetic number, because the mean of its divisors is an integer number (809244).

Almost surely, 2^30896320 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 30896320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45317664).

30896320 is an abundant number, since it is smaller than the sum of its proper divisors (59739008).

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

30896320 is a wasteful number, since it uses less digits than its factorization.

30896320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 30896320 is about 5558.4458259481. The cubic root of 30896320 is about 313.7874608054.

It can be divided in two parts, 3089 and 6320, that added together give a square (9409 = 97²).

The spelling of 30896320 in words is "thirty million, eight hundred ninety-six thousand, three hundred twenty".