180943984 has 80 divisors (see below), whose sum is σ = 391974912. Its totient is φ = 80388864.

The previous prime is 180943981. The next prime is 180943991. The reversal of 180943984 is 489349081.

180943984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180943981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 811297 + ... + 811519.

Almost surely, 2^180943984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180943984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195987456).

180943984 is an abundant number, since it is smaller than the sum of its proper divisors (211030928).

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

180943984 is a wasteful number, since it uses less digits than its factorization.

180943984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 180943984 is about 13451.5420677333. The cubic root of 180943984 is about 565.6069224059.

The spelling of 180943984 in words is "one hundred eighty million, nine hundred forty-three thousand, nine hundred eighty-four".