30199824 has 80 divisors (see below), whose sum is σ = 88387200. Its totient is φ = 9869184.

The previous prime is 30199789. The next prime is 30199843. The reversal of 30199824 is 42899103.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 22237 + ... + 23555.

It is an arithmetic number, because the mean of its divisors is an integer number (1104840).

Almost surely, 2^30199824 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 30199824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44193600).

30199824 is an abundant number, since it is smaller than the sum of its proper divisors (58187376).

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

30199824 is a wasteful number, since it uses less digits than its factorization.

30199824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389 (or 1377 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 30199824 is about 5495.4366523507. The cubic root of 30199824 is about 311.4116129779.

The spelling of 30199824 in words is "thirty million, one hundred ninety-nine thousand, eight hundred twenty-four".