328800028 has 12 divisors (see below), whose sum is σ = 595241640. Its totient is φ = 158730992.

The previous prime is 328800023. The next prime is 328800029. The reversal of 328800028 is 820008823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328800023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1417126 + ... + 1417357.

It is an arithmetic number, because the mean of its divisors is an integer number (49603470).

Almost surely, 2^328800028 is an apocalyptic number.

It is an amenable number.

328800028 is a deficient number, since it is larger than the sum of its proper divisors (266441612).

328800028 is a wasteful number, since it uses less digits than its factorization.

328800028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834516 (or 2834514 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 328800028 is about 18132.8439027087. The cubic root of 328800028 is about 690.2036981735.

The spelling of 328800028 in words is "three hundred twenty-eight million, eight hundred thousand, twenty-eight".