328915461 has 8 divisors (see below), whose sum is σ = 501204544. Its totient is φ = 187951680.

The previous prime is 328915453. The next prime is 328915463. The reversal of 328915461 is 164519823.

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

It is not a de Polignac number, because 328915461 - 2³ = 328915453 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 (328915463) 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, 7831300 + ... + 7831341.

It is an arithmetic number, because the mean of its divisors is an integer number (62650568).

Almost surely, 2^328915461 is an apocalyptic number.

It is an amenable number.

328915461 is a deficient number, since it is larger than the sum of its proper divisors (172289083).

328915461 is a wasteful number, since it uses less digits than its factorization.

328915461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15662651.

The product of its digits is 51840, while the sum is 39.

The square root of 328915461 is about 18136.0266045239. The cubic root of 328915461 is about 690.2844594822.

The spelling of 328915461 in words is "three hundred twenty-eight million, nine hundred fifteen thousand, four hundred sixty-one".