30280896 has 42 divisors (see below), whose sum is σ = 86796372. Its totient is φ = 10093440.

The previous prime is 30280879. The next prime is 30280897. The reversal of 30280896 is 69808203.

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 30280896.

It is not an unprimeable number, because it can be changed into a prime (30280897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25710 + ... + 26861.

Almost surely, 2^30280896 is an apocalyptic number.

30280896 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30280896 is an abundant number, since it is smaller than the sum of its proper divisors (56515476).

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

30280896 is a wasteful number, since it uses less digits than its factorization.

30280896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52589 (or 52576 counting only the distinct ones).

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

The square root of 30280896 is about 5502.8080104616. The cubic root of 30280896 is about 311.6900274494.

The spelling of 30280896 in words is "thirty million, two hundred eighty thousand, eight hundred ninety-six".