80385186 has 48 divisors (see below), whose sum is σ = 189440640. Its totient is φ = 22669920.

The previous prime is 80385169. The next prime is 80385209. The reversal of 80385186 is 68158308.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

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, 21496 + ... + 24956.

It is an arithmetic number, because the mean of its divisors is an integer number (3946680).

Almost surely, 2^80385186 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80385186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94720320).

80385186 is an abundant number, since it is smaller than the sum of its proper divisors (109055454).

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

80385186 is a wasteful number, since it uses less digits than its factorization.

80385186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559 (or 3552 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 80385186 is about 8965.7786053415. The cubic root of 80385186 is about 431.5773794713.

The spelling of 80385186 in words is "eighty million, three hundred eighty-five thousand, one hundred eighty-six".