328649087 has 16 divisors (see below), whose sum is σ = 358589280. Its totient is φ = 299400192.

The previous prime is 328649081. The next prime is 328649107. The reversal of 328649087 is 780946823.

It is not a de Polignac number, because 328649087 - 2¹² = 328644991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328649081) 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, 600548 + ... + 601094.

It is an arithmetic number, because the mean of its divisors is an integer number (22411830).

Almost surely, 2^328649087 is an apocalyptic number.

328649087 is a deficient number, since it is larger than the sum of its proper divisors (29940193).

328649087 is a wasteful number, since it uses less digits than its factorization.

328649087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 328649087 is about 18128.6813364900. The cubic root of 328649087 is about 690.0980655970.

The spelling of 328649087 in words is "three hundred twenty-eight million, six hundred forty-nine thousand, eighty-seven".