30280824 has 96 divisors (see below), whose sum is σ = 97880400. Its totient is φ = 8648640.

The previous prime is 30280801. The next prime is 30280853. The reversal of 30280824 is 42808203.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9154 + ... + 12014.

Almost surely, 2^30280824 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 30280824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48940200).

30280824 is an abundant number, since it is smaller than the sum of its proper divisors (67599576).

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

30280824 is a wasteful number, since it uses less digits than its factorization.

30280824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890 (or 2873 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 30280824 is about 5502.8014683432. The cubic root of 30280824 is about 311.6897804103.

The spelling of 30280824 in words is "thirty million, two hundred eighty thousand, eight hundred twenty-four".