181028832 has 24 divisors (see below), whose sum is σ = 475200936. Its totient is φ = 60342912.

The previous prime is 181028821. The next prime is 181028843. The reversal of 181028832 is 238820181.

It is an interprime number because it is at equal distance from previous prime (181028821) and next prime (181028843).

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 181028793 and 181028802.

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 3 ways as a sum of consecutive naturals, for example, 942763 + ... + 942954.

It is an arithmetic number, because the mean of its divisors is an integer number (19800039).

Almost surely, 2^181028832 is an apocalyptic number.

181028832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

181028832 is an abundant number, since it is smaller than the sum of its proper divisors (294172104).

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

181028832 is a wasteful number, since it uses less digits than its factorization.

181028832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885730 (or 1885722 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 181028832 is about 13454.6955372465. The cubic root of 181028832 is about 565.6953164599.

The spelling of 181028832 in words is "one hundred eighty-one million, twenty-eight thousand, eight hundred thirty-two".