328454487 has 16 divisors (see below), whose sum is σ = 489154560. Its totient is φ = 217819800.

The previous prime is 328454461. The next prime is 328454509. The reversal of 328454487 is 784454823.

It is a happy number.

328454487 is a `hidden beast` number, since 3 + 28 + 4 + 544 + 87 = 666.

It is not a de Polignac number, because 328454487 - 2¹⁹ = 327930199 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328454407) 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, 26689 + ... + 37002.

It is an arithmetic number, because the mean of its divisors is an integer number (30572160).

Almost surely, 2^328454487 is an apocalyptic number.

328454487 is a deficient number, since it is larger than the sum of its proper divisors (160700073).

328454487 is a wasteful number, since it uses less digits than its factorization.

328454487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63891 (or 63885 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The square root of 328454487 is about 18123.3133560064. The cubic root of 328454487 is about 689.9618315371.

The spelling of 328454487 in words is "three hundred twenty-eight million, four hundred fifty-four thousand, four hundred eighty-seven".