30238620 has 96 divisors (see below), whose sum is σ = 88941888. Its totient is φ = 7667712.

The previous prime is 30238613. The next prime is 30238627. The reversal of 30238620 is 2683203.

It is an interprime number because it is at equal distance from previous prime (30238613) and next prime (30238627).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30238627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117532 + ... + 117788.

It is an arithmetic number, because the mean of its divisors is an integer number (926478).

Almost surely, 2^30238620 is an apocalyptic number.

30238620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30238620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44470944).

30238620 is an abundant number, since it is smaller than the sum of its proper divisors (58703268).

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

30238620 is a wasteful number, since it uses less digits than its factorization.

30238620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 30238620 is about 5498.9653572286. The cubic root of 30238620 is about 311.5449068578.

The spelling of 30238620 in words is "thirty million, two hundred thirty-eight thousand, six hundred twenty".