328954081 has 4 divisors (see below), whose sum is σ = 335953152. Its totient is φ = 321955012.

The previous prime is 328954079. The next prime is 328954091. The reversal of 328954081 is 180459823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 180459823 = 389 ⋅463907.

It is a cyclic number.

It is not a de Polignac number, because 328954081 - 2¹ = 328954079 is a prime.

It is a super-2 number, since 2×328954081² = 216421574813109122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328954091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3499465 + ... + 3499558.

It is an arithmetic number, because the mean of its divisors is an integer number (83988288).

Almost surely, 2^328954081 is an apocalyptic number.

It is an amenable number.

328954081 is a deficient number, since it is larger than the sum of its proper divisors (6999071).

328954081 is an equidigital number, since it uses as much as digits as its factorization.

328954081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6999070.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 328954081 is about 18137.0913048372. The cubic root of 328954081 is about 690.3114752817.

The spelling of 328954081 in words is "three hundred twenty-eight million, nine hundred fifty-four thousand, eighty-one".