328492793 has 2 divisors, whose sum is σ = 328492794. Its totient is φ = 328492792.

The previous prime is 328492741. The next prime is 328492807. The reversal of 328492793 is 397294823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239228089 + 89264704 = 15467^2 + 9448^2 .

It is an emirp because it is prime and its reverse (397294823) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 328492793 - 2¹⁰ = 328491769 is a prime.

It is not a weakly prime, because it can be changed into another prime (328492393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164246396 + 164246397.

It is an arithmetic number, because the mean of its divisors is an integer number (164246397).

Almost surely, 2^328492793 is an apocalyptic number.

It is an amenable number.

328492793 is a deficient number, since it is larger than the sum of its proper divisors (1).

328492793 is an equidigital number, since it uses as much as digits as its factorization.

328492793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 47.

The square root of 328492793 is about 18124.3701407801. The cubic root of 328492793 is about 689.9886527575.

The spelling of 328492793 in words is "three hundred twenty-eight million, four hundred ninety-two thousand, seven hundred ninety-three".