180003924 has 96 divisors (see below), whose sum is σ = 481219200. Its totient is φ = 58164480.

The previous prime is 180003913. The next prime is 180003931. The reversal of 180003924 is 429300081.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 586179 + ... + 586485.

It is an arithmetic number, because the mean of its divisors is an integer number (5012700).

Almost surely, 2^180003924 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 180003924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240609600).

180003924 is an abundant number, since it is smaller than the sum of its proper divisors (301215276).

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

180003924 is a wasteful number, since it uses less digits than its factorization.

180003924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 180003924 is about 13416.5541030475. The cubic root of 180003924 is about 564.6257202159.

The spelling of 180003924 in words is "one hundred eighty million, three thousand, nine hundred twenty-four".