30288412 has 48 divisors (see below), whose sum is σ = 68382720. Its totient is φ = 11390400.

The previous prime is 30288361. The next prime is 30288431. The reversal of 30288412 is 21488203.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7237 + ... + 10627.

It is an arithmetic number, because the mean of its divisors is an integer number (1424640).

Almost surely, 2^30288412 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 30288412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34191360).

30288412 is an abundant number, since it is smaller than the sum of its proper divisors (38094308).

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

30288412 is a wasteful number, since it uses less digits than its factorization.

30288412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442 (or 3440 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 30288412 is about 5503.4908921520. The cubic root of 30288412 is about 311.7158134373.

The spelling of 30288412 in words is "thirty million, two hundred eighty-eight thousand, four hundred twelve".