327428280 has 96 divisors (see below), whose sum is σ = 1068584400. Its totient is φ = 86949888.

The previous prime is 327428267. The next prime is 327428291. The reversal of 327428280 is 82824723.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 90751 + ... + 94289.

Almost surely, 2^327428280 is an apocalyptic number.

327428280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 327428280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (534292200).

327428280 is an abundant number, since it is smaller than the sum of its proper divisors (741156120).

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

327428280 is a wasteful number, since it uses less digits than its factorization.

327428280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813 (or 3806 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 327428280 is about 18094.9794141911. The cubic root of 327428280 is about 689.2425209840.

The spelling of 327428280 in words is "three hundred twenty-seven million, four hundred twenty-eight thousand, two hundred eighty".