30684852 has 96 divisors (see below), whose sum is σ = 90639360. Its totient is φ = 8886240.

The previous prime is 30684821. The next prime is 30684853. The reversal of 30684852 is 25848603.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30684853) by changing a digit.

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, 26763 + ... + 27885.

It is an arithmetic number, because the mean of its divisors is an integer number (944160).

Almost surely, 2^30684852 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 30684852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45319680).

30684852 is an abundant number, since it is smaller than the sum of its proper divisors (59954508).

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

30684852 is a wasteful number, since it uses less digits than its factorization.

30684852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170 (or 1162 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 30684852 is about 5539.3909412498. The cubic root of 30684852 is about 313.0699214679.

It can be divided in two parts, 306 and 84852, that added together give a palindrome (85158).

The spelling of 30684852 in words is "thirty million, six hundred eighty-four thousand, eight hundred fifty-two".