30148888 has 64 divisors (see below), whose sum is σ = 74649600. Its totient is φ = 11051520.

The previous prime is 30148879. The next prime is 30148889. The reversal of 30148888 is 88884103.

It is a self number, because there is not a number n which added to its sum of digits gives 30148888.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30148889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9033 + ... + 11911.

It is an arithmetic number, because the mean of its divisors is an integer number (1166400).

Almost surely, 2^30148888 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 30148888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37324800).

30148888 is an abundant number, since it is smaller than the sum of its proper divisors (44500712).

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

30148888 is a wasteful number, since it uses less digits than its factorization.

30148888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920 (or 2916 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 40.

The square root of 30148888 is about 5490.8003059663. The cubic root of 30148888 is about 311.2364354878.

The spelling of 30148888 in words is "thirty million, one hundred forty-eight thousand, eight hundred eighty-eight".