328258445 has 8 divisors (see below), whose sum is σ = 394182936. Its totient is φ = 262424896.

The previous prime is 328258429. The next prime is 328258451. The reversal of 328258445 is 544852823.

It can be written as a sum of positive squares in 4 ways, for example, as 81956809 + 246301636 = 9053^2 + 15694^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 328258445 - 2⁴ = 328258429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14522 + ... + 29451.

It is an arithmetic number, because the mean of its divisors is an integer number (49272867).

Almost surely, 2^328258445 is an apocalyptic number.

It is an amenable number.

328258445 is a deficient number, since it is larger than the sum of its proper divisors (65924491).

328258445 is a wasteful number, since it uses less digits than its factorization.

328258445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45471.

The product of its digits is 307200, while the sum is 41.

The square root of 328258445 is about 18117.9039902523. The cubic root of 328258445 is about 689.8245335527.

The spelling of 328258445 in words is "three hundred twenty-eight million, two hundred fifty-eight thousand, four hundred forty-five".