328081455 has 64 divisors (see below), whose sum is σ = 661248000. Its totient is φ = 153000576.

The previous prime is 328081447. The next prime is 328081459. The reversal of 328081455 is 554180823.

It is a happy number.

It is not a de Polignac number, because 328081455 - 2³ = 328081447 is a prime.

It is a super-2 number, since 2×328081455² = 215274882229834050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328081459) 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 63 ways as a sum of consecutive naturals, for example, 28426 + ... + 38264.

It is an arithmetic number, because the mean of its divisors is an integer number (10332000).

Almost surely, 2^328081455 is an apocalyptic number.

328081455 is an abundant number, since it is smaller than the sum of its proper divisors (333166545).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328081455 is a wasteful number, since it uses less digits than its factorization.

328081455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9885 (or 9879 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 328081455 is about 18113.0189366654. The cubic root of 328081455 is about 689.7005316716.

The spelling of 328081455 in words is "three hundred twenty-eight million, eighty-one thousand, four hundred fifty-five".