328742955 has 60 divisors (see below), whose sum is σ = 604699920. Its totient is φ = 170862048.

The previous prime is 328742951. The next prime is 328742971. The reversal of 328742955 is 559247823.

It is not a de Polignac number, because 328742955 - 2² = 328742951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 328742955.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328742951) 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 59 ways as a sum of consecutive naturals, for example, 748626 + ... + 749064.

It is an arithmetic number, because the mean of its divisors is an integer number (10078332).

Almost surely, 2^328742955 is an apocalyptic number.

328742955 is a deficient number, since it is larger than the sum of its proper divisors (275956965).

328742955 is an equidigital number, since it uses as much as digits as its factorization.

328742955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 490 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 328742955 is about 18131.2700878896. The cubic root of 328742955 is about 690.1637607528.

The spelling of 328742955 in words is "three hundred twenty-eight million, seven hundred forty-two thousand, nine hundred fifty-five".