328924093 has 4 divisors (see below), whose sum is σ = 329011740. Its totient is φ = 328836448.

The previous prime is 328924091. The next prime is 328924097. The reversal of 328924093 is 390429823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 390429823 = 7 ⋅55775689.

It can be written as a sum of positive squares in 2 ways, for example, as 211353444 + 117570649 = 14538^2 + 10843^2 .

It is a cyclic number.

It is not a de Polignac number, because 328924093 - 2¹ = 328924091 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328924091) 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, 37930 + ... + 45787.

It is an arithmetic number, because the mean of its divisors is an integer number (82252935).

Almost surely, 2^328924093 is an apocalyptic number.

It is an amenable number.

328924093 is a deficient number, since it is larger than the sum of its proper divisors (87647).

328924093 is an equidigital number, since it uses as much as digits as its factorization.

328924093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87646.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 328924093 is about 18136.2645823223. The cubic root of 328924093 is about 690.2904979977.

The spelling of 328924093 in words is "three hundred twenty-eight million, nine hundred twenty-four thousand, ninety-three".