328815461 has 8 divisors (see below), whose sum is σ = 355891200. Its totient is φ = 301994352.

The previous prime is 328815457. The next prime is 328815467. The reversal of 328815461 is 164518823.

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

It is a cyclic number.

It is not a de Polignac number, because 328815461 - 2² = 328815457 is a prime.

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 (328815467) 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, 60965 + ... + 66138.

It is an arithmetic number, because the mean of its divisors is an integer number (44486400).

Almost surely, 2^328815461 is an apocalyptic number.

It is an amenable number.

328815461 is a deficient number, since it is larger than the sum of its proper divisors (27075739).

328815461 is a wasteful number, since it uses less digits than its factorization.

328815461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127315.

The product of its digits is 46080, while the sum is 38.

The square root of 328815461 is about 18133.2694514806. The cubic root of 328815461 is about 690.2144967806.

The spelling of 328815461 in words is "three hundred twenty-eight million, eight hundred fifteen thousand, four hundred sixty-one".