327815240 has 64 divisors (see below), whose sum is σ = 751852800. Its totient is φ = 128613888.

The previous prime is 327815239. The next prime is 327815249. The reversal of 327815240 is 42518723.

It is a junction number, because it is equal to n+sod(n) for n = 327815197 and 327815206.

It is not an unprimeable number, because it can be changed into a prime (327815249) 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, 717092 + ... + 717548.

It is an arithmetic number, because the mean of its divisors is an integer number (11747700).

Almost surely, 2^327815240 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 327815240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375926400).

327815240 is an abundant number, since it is smaller than the sum of its proper divisors (424037560).

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

327815240 is a wasteful number, since it uses less digits than its factorization.

327815240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 327815240 is about 18105.6687255677. The cubic root of 327815240 is about 689.5139333859.

The spelling of 327815240 in words is "three hundred twenty-seven million, eight hundred fifteen thousand, two hundred forty".