185352380 has 12 divisors (see below), whose sum is σ = 389240040. Its totient is φ = 74140944.

The previous prime is 185352361. The next prime is 185352389. The reversal of 185352380 is 83253581.

It is a self number, because there is not a number n which added to its sum of digits gives 185352380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185352389) 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 3 ways as a sum of consecutive naturals, for example, 4633790 + ... + 4633829.

It is an arithmetic number, because the mean of its divisors is an integer number (32436670).

Almost surely, 2^185352380 is an apocalyptic number.

185352380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

185352380 is an abundant number, since it is smaller than the sum of its proper divisors (203887660).

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

185352380 is a wasteful number, since it uses less digits than its factorization.

185352380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9267628 (or 9267626 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 185352380 is about 13614.4180925958. The cubic root of 185352380 is about 570.1634700936.

The spelling of 185352380 in words is "one hundred eighty-five million, three hundred fifty-two thousand, three hundred eighty".