30208896 has 64 divisors (see below), whose sum is σ = 89168400. Its totient is φ = 10068480.

The previous prime is 30208877. The next prime is 30208901. The reversal of 30208896 is 69880203.

It is a tau number, because it is divible by the number of its divisors (64).

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

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 30208896.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 915 + ... + 7826.

Almost surely, 2^30208896 is an apocalyptic number.

30208896 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 30208896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44584200).

30208896 is an abundant number, since it is smaller than the sum of its proper divisors (58959504).

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

30208896 is an equidigital number, since it uses as much as digits as its factorization.

30208896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8764 (or 8746 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 30208896 is about 5496.2620024886. The cubic root of 30208896 is about 311.4427924456.

The spelling of 30208896 in words is "thirty million, two hundred eight thousand, eight hundred ninety-six".