328998672 has 120 divisors (see below), whose sum is σ = 981076096. Its totient is φ = 106655616.

The previous prime is 328998667. The next prime is 328998673. The reversal of 328998672 is 276899823.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (328998673) 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 23 ways as a sum of consecutive naturals, for example, 142713 + ... + 144999.

Almost surely, 2^328998672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328998672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (490538048).

328998672 is an abundant number, since it is smaller than the sum of its proper divisors (652077424).

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

328998672 is a wasteful number, since it uses less digits than its factorization.

328998672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347 (or 2329 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 328998672 is about 18138.3205396751. The cubic root of 328998672 is about 690.3426653373.

The spelling of 328998672 in words is "three hundred twenty-eight million, nine hundred ninety-eight thousand, six hundred seventy-two".