30523296 has 96 divisors (see below), whose sum is σ = 86546880. Its totient is φ = 9383936.

The previous prime is 30523267. The next prime is 30523301. The reversal of 30523296 is 69232503.

It is a tau number, because it is divible by the number of its divisors (96).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96130 + ... + 96446.

It is an arithmetic number, because the mean of its divisors is an integer number (901530).

Almost surely, 2^30523296 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 30523296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43273440).

30523296 is an abundant number, since it is smaller than the sum of its proper divisors (56023584).

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

30523296 is a wasteful number, since it uses less digits than its factorization.

30523296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 30523296 is about 5524.7892267488. The cubic root of 30523296 is about 312.5195157945.

Adding to 30523296 its reverse (69232503), we get a palindrome (99755799).

The spelling of 30523296 in words is "thirty million, five hundred twenty-three thousand, two hundred ninety-six".