328092913 has 4 divisors (see below), whose sum is σ = 328156020. Its totient is φ = 328029808.

The previous prime is 328092887. The next prime is 328092983. The reversal of 328092913 is 319290823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 319290823 = 397 ⋅804259.

It can be written as a sum of positive squares in 2 ways, for example, as 212809744 + 115283169 = 14588^2 + 10737^2 .

It is a cyclic number.

It is not a de Polignac number, because 328092913 - 2¹³ = 328084721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328092983) 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, 22978 + ... + 34411.

It is an arithmetic number, because the mean of its divisors is an integer number (82039005).

Almost surely, 2^328092913 is an apocalyptic number.

It is an amenable number.

328092913 is a deficient number, since it is larger than the sum of its proper divisors (63107).

328092913 is an equidigital number, since it uses as much as digits as its factorization.

328092913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63106.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 328092913 is about 18113.3352257391. The cubic root of 328092913 is about 689.7085606703.

The spelling of 328092913 in words is "three hundred twenty-eight million, ninety-two thousand, nine hundred thirteen".