30004830 has 80 divisors (see below), whose sum is σ = 85464720. Its totient is φ = 7527168.

The previous prime is 30004829. The next prime is 30004831. The reversal of 30004830 is 3840003.

It is an interprime number because it is at equal distance from previous prime (30004829) and next prime (30004831).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30004831) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12681 + ... + 14859.

It is an arithmetic number, because the mean of its divisors is an integer number (1068309).

Almost surely, 2^30004830 is an apocalyptic number.

30004830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30004830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42732360).

30004830 is an abundant number, since it is smaller than the sum of its proper divisors (55459890).

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

30004830 is a wasteful number, since it uses less digits than its factorization.

30004830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215 (or 2206 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 30004830 is about 5477.6664739650. Note that the first 3 decimals coincide. The cubic root of 30004830 is about 310.7399251817.

Adding to 30004830 its reverse (3840003), we get a palindrome (33844833).

The spelling of 30004830 in words is "thirty million, four thousand, eight hundred thirty".