328140955 has 16 divisors (see below), whose sum is σ = 404379360. Its totient is φ = 255483648.

The previous prime is 328140937. The next prime is 328140959. The reversal of 328140955 is 559041823.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328140955 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328140959) 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, 60391 + ... + 65599.

It is an arithmetic number, because the mean of its divisors is an integer number (25273710).

Almost surely, 2^328140955 is an apocalyptic number.

328140955 is a deficient number, since it is larger than the sum of its proper divisors (76238405).

328140955 is a wasteful number, since it uses less digits than its factorization.

328140955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 328140955 is about 18114.6613272233. The cubic root of 328140955 is about 689.7422232500.

The spelling of 328140955 in words is "three hundred twenty-eight million, one hundred forty thousand, nine hundred fifty-five".