306852030 has 64 divisors (see below), whose sum is σ = 822528000. Its totient is φ = 81401760.

The previous prime is 306851971. The next prime is 306852041. The reversal of 306852030 is 30258603.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 306851985 and 306852003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50875 + ... + 56585.

It is an arithmetic number, because the mean of its divisors is an integer number (12852000).

Almost surely, 2^306852030 is an apocalyptic number.

306852030 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 306852030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411264000).

306852030 is an abundant number, since it is smaller than the sum of its proper divisors (515675970).

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

306852030 is a wasteful number, since it uses less digits than its factorization.

306852030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5926 (or 5920 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 306852030 is about 17517.1924120277. The cubic root of 306852030 is about 674.4912710022.

The spelling of 306852030 in words is "three hundred six million, eight hundred fifty-two thousand, thirty".