328305355 has 32 divisors (see below), whose sum is σ = 459970560. Its totient is φ = 220302720.

The previous prime is 328305337. The next prime is 328305359. The reversal of 328305355 is 553503823.

It is not a de Polignac number, because 328305355 - 2²⁵ = 294750923 is a prime.

It is a super-2 number, since 2×328305355² = 215568812243352050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 328305355.

It is not an unprimeable number, because it can be changed into a prime (328305359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 783336 + ... + 783754.

It is an arithmetic number, because the mean of its divisors is an integer number (14374080).

Almost surely, 2^328305355 is an apocalyptic number.

328305355 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

328305355 is a deficient number, since it is larger than the sum of its proper divisors (131665205).

328305355 is a wasteful number, since it uses less digits than its factorization.

328305355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 328305355 is about 18119.1985198021. The cubic root of 328305355 is about 689.8573919381.

The spelling of 328305355 in words is "three hundred twenty-eight million, three hundred five thousand, three hundred fifty-five".