30682386 has 48 divisors (see below), whose sum is σ = 76759488. Its totient is φ = 8676000.

The previous prime is 30682373. The next prime is 30682387. The reversal of 30682386 is 68328603.

It is a self number, because there is not a number n which added to its sum of digits gives 30682386.

It is not an unprimeable number, because it can be changed into a prime (30682387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11521 + ... + 13931.

It is an arithmetic number, because the mean of its divisors is an integer number (1599156).

Almost surely, 2^30682386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30682386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38379744).

30682386 is an abundant number, since it is smaller than the sum of its proper divisors (46077102).

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

30682386 is a wasteful number, since it uses less digits than its factorization.

30682386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527 (or 2524 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 30682386 is about 5539.1683491297. The cubic root of 30682386 is about 313.0615345815.

The spelling of 30682386 in words is "thirty million, six hundred eighty-two thousand, three hundred eighty-six".