328126785 has 48 divisors (see below), whose sum is σ = 630461952. Its totient is φ = 145152000.

The previous prime is 328126783. The next prime is 328126807. The reversal of 328126785 is 587621823.

It is not a de Polignac number, because 328126785 - 2¹ = 328126783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328126783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15585 + ... + 29985.

It is an arithmetic number, because the mean of its divisors is an integer number (13134624).

Almost surely, 2^328126785 is an apocalyptic number.

328126785 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

328126785 is a deficient number, since it is larger than the sum of its proper divisors (302335167).

328126785 is a wasteful number, since it uses less digits than its factorization.

328126785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14454 (or 14447 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 328126785 is about 18114.2702033507. The cubic root of 328126785 is about 689.7322948053.

The spelling of 328126785 in words is "three hundred twenty-eight million, one hundred twenty-six thousand, seven hundred eighty-five".