324961280 has 88 divisors (see below), whose sum is σ = 890985408. Its totient is φ = 111403008.

The previous prime is 324961279. The next prime is 324961291. The reversal of 324961280 is 82169423.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 324961280.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31307 + ... + 40373.

Almost surely, 2^324961280 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 324961280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445492704).

324961280 is an abundant number, since it is smaller than the sum of its proper divisors (566024128).

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

324961280 is an equidigital number, since it uses as much as digits as its factorization.

324961280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9099 (or 9081 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 324961280 is about 18026.6824457525. The cubic root of 324961280 is about 687.5071285211.

The spelling of 324961280 in words is "three hundred twenty-four million, nine hundred sixty-one thousand, two hundred eighty".