328526493 has 16 divisors (see below), whose sum is σ = 449856000. Its totient is φ = 213144624.

The previous prime is 328526491. The next prime is 328526507. The reversal of 328526493 is 394625823.

It is not a de Polignac number, because 328526493 - 2¹ = 328526491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328526491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32008 + ... + 41006.

It is an arithmetic number, because the mean of its divisors is an integer number (28116000).

Almost surely, 2^328526493 is an apocalyptic number.

It is an amenable number.

328526493 is a deficient number, since it is larger than the sum of its proper divisors (121329507).

328526493 is a wasteful number, since it uses less digits than its factorization.

328526493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9328.

The product of its digits is 311040, while the sum is 42.

The square root of 328526493 is about 18125.2998044170. The cubic root of 328526493 is about 690.0122472096.

The spelling of 328526493 in words is "three hundred twenty-eight million, five hundred twenty-six thousand, four hundred ninety-three".