328838373 has 20 divisors (see below), whose sum is σ = 499288108. Its totient is φ = 215628480.

The previous prime is 328838371. The next prime is 328838387. The reversal of 328838373 is 373838823.

It can be written as a sum of positive squares in 2 ways, for example, as 23357889 + 305480484 = 4833^2 + 17478^2 .

It is not a de Polignac number, because 328838373 - 2¹ = 328838371 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 (328838371) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28336 + ... + 38217.

Almost surely, 2^328838373 is an apocalyptic number.

It is an amenable number.

328838373 is a deficient number, since it is larger than the sum of its proper divisors (170449735).

328838373 is an equidigital number, since it uses as much as digits as its factorization.

328838373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66626 (or 66617 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 328838373 is about 18133.9012074071. The cubic root of 328838373 is about 690.2305278874.

The spelling of 328838373 in words is "three hundred twenty-eight million, eight hundred thirty-eight thousand, three hundred seventy-three".