328743955 has 4 divisors (see below), whose sum is σ = 394492752. Its totient is φ = 262995160.

The previous prime is 328743953. The next prime is 328743959. The reversal of 328743955 is 559347823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 559347823 = 89 ⋅6284807.

It is not a de Polignac number, because 328743955 - 2¹ = 328743953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328743953) 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 3 ways as a sum of consecutive naturals, for example, 32874391 + ... + 32874400.

It is an arithmetic number, because the mean of its divisors is an integer number (98623188).

Almost surely, 2^328743955 is an apocalyptic number.

328743955 is a deficient number, since it is larger than the sum of its proper divisors (65748797).

328743955 is an equidigital number, since it uses as much as digits as its factorization.

328743955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65748796.

The product of its digits is 907200, while the sum is 46.

The square root of 328743955 is about 18131.2976645358. The cubic root of 328743955 is about 690.1644605529.

The spelling of 328743955 in words is "three hundred twenty-eight million, seven hundred forty-three thousand, nine hundred fifty-five".