328614987 has 16 divisors (see below), whose sum is σ = 450505088. Its totient is φ = 212950080.

The previous prime is 328614983. The next prime is 328614989. The reversal of 328614987 is 789416823.

It is not a de Polignac number, because 328614987 - 2² = 328614983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328614983) 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 15 ways as a sum of consecutive naturals, for example, 21183 + ... + 33255.

It is an arithmetic number, because the mean of its divisors is an integer number (28156568).

Almost surely, 2^328614987 is an apocalyptic number.

328614987 is a deficient number, since it is larger than the sum of its proper divisors (121890101).

328614987 is a wasteful number, since it uses less digits than its factorization.

328614987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12330.

The product of its digits is 580608, while the sum is 48.

The square root of 328614987 is about 18127.7408134605. The cubic root of 328614987 is about 690.0741970201.

The spelling of 328614987 in words is "three hundred twenty-eight million, six hundred fourteen thousand, nine hundred eighty-seven".