328266811 has 4 divisors (see below), whose sum is σ = 329336392. Its totient is φ = 327197232.

The previous prime is 328266797. The next prime is 328266839. The reversal of 328266811 is 118662823.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 118662823 = 31 ⋅3827833.

It is a cyclic number.

It is not a de Polignac number, because 328266811 - 2⁵ = 328266779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328266881) 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, 534330 + ... + 534943.

It is an arithmetic number, because the mean of its divisors is an integer number (82334098).

Almost surely, 2^328266811 is an apocalyptic number.

328266811 is a deficient number, since it is larger than the sum of its proper divisors (1069581).

328266811 is a wasteful number, since it uses less digits than its factorization.

328266811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069580.

The product of its digits is 27648, while the sum is 37.

The square root of 328266811 is about 18118.1348653773. The cubic root of 328266811 is about 689.8303937959.

The spelling of 328266811 in words is "three hundred twenty-eight million, two hundred sixty-six thousand, eight hundred eleven".