180785934 has 48 divisors (see below), whose sum is σ = 467131392. Its totient is φ = 49406544.

The previous prime is 180785921. The next prime is 180785953. The reversal of 180785934 is 439587081.

It is a self number, because there is not a number n which added to its sum of digits gives 180785934.

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 23 ways as a sum of consecutive naturals, for example, 28294 + ... + 34089.

It is an arithmetic number, because the mean of its divisors is an integer number (9731904).

Almost surely, 2^180785934 is an apocalyptic number.

180785934 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

180785934 is an abundant number, since it is smaller than the sum of its proper divisors (286345458).

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

180785934 is a wasteful number, since it uses less digits than its factorization.

180785934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62421 (or 62418 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 180785934 is about 13445.6659931742. The cubic root of 180785934 is about 565.4421933138.

The spelling of 180785934 in words is "one hundred eighty million, seven hundred eighty-five thousand, nine hundred thirty-four".