30836180 has 12 divisors (see below), whose sum is σ = 64756020. Its totient is φ = 12334464.

The previous prime is 30836167. The next prime is 30836219. The reversal of 30836180 is 8163803.

It can be written as a sum of positive squares in 2 ways, for example, as 4251844 + 26584336 = 2062^2 + 5156^2 .

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 3 ways as a sum of consecutive naturals, for example, 770885 + ... + 770924.

It is an arithmetic number, because the mean of its divisors is an integer number (5396335).

Almost surely, 2^30836180 is an apocalyptic number.

It is an amenable number.

30836180 is an abundant number, since it is smaller than the sum of its proper divisors (33919840).

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

30836180 is a wasteful number, since it uses less digits than its factorization.

30836180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541818 (or 1541816 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 30836180 is about 5553.0334052660. The cubic root of 30836180 is about 313.5837317371.

Adding to 30836180 its reverse (8163803), we get a palindrome (38999983).

The spelling of 30836180 in words is "thirty million, eight hundred thirty-six thousand, one hundred eighty".