30630248 has 32 divisors (see below), whose sum is σ = 63257760. Its totient is φ = 13788480.

The previous prime is 30630221. The next prime is 30630253. The reversal of 30630248 is 84203603.

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, 7790 + ... + 11042.

It is an arithmetic number, because the mean of its divisors is an integer number (1976805).

Almost surely, 2^30630248 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 30630248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31628880).

30630248 is an abundant number, since it is smaller than the sum of its proper divisors (32627512).

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

30630248 is a wasteful number, since it uses less digits than its factorization.

30630248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3377 (or 3373 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 30630248 is about 5534.4600459304. The cubic root of 30630248 is about 312.8841075231.

The spelling of 30630248 in words is "thirty million, six hundred thirty thousand, two hundred forty-eight".