328424261 has 8 divisors (see below), whose sum is σ = 369838848. Its totient is φ = 288936000.

The previous prime is 328424231. The next prime is 328424269. The reversal of 328424261 is 162424823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328424261 is a prime.

It is a super-2 number, since 2×328424261² = 215724990426792242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328424269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481220 + ... + 481901.

It is an arithmetic number, because the mean of its divisors is an integer number (46229856).

Almost surely, 2^328424261 is an apocalyptic number.

328424261 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

328424261 is a deficient number, since it is larger than the sum of its proper divisors (41414587).

328424261 is a wasteful number, since it uses less digits than its factorization.

328424261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963163.

The product of its digits is 18432, while the sum is 32.

The square root of 328424261 is about 18122.4794385316. The cubic root of 328424261 is about 689.9406663256.

The spelling of 328424261 in words is "three hundred twenty-eight million, four hundred twenty-four thousand, two hundred sixty-one".