328888688 has 20 divisors (see below), whose sum is σ = 639037968. Its totient is φ = 163975680.

The previous prime is 328888687. The next prime is 328888697. The reversal of 328888688 is 886888823.

It is a super-2 number, since 2×328888688² = 216335538188722688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328888687) 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, 23468 + ... + 34763.

Almost surely, 2^328888688 is an apocalyptic number.

It is an amenable number.

328888688 is a deficient number, since it is larger than the sum of its proper divisors (310149280).

328888688 is a wasteful number, since it uses less digits than its factorization.

328888688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58592 (or 58586 counting only the distinct ones).

The product of its digits is 9437184, while the sum is 59.

The square root of 328888688 is about 18135.2884730296. The cubic root of 328888688 is about 690.2657297583.

The spelling of 328888688 in words is "three hundred twenty-eight million, eight hundred eighty-eight thousand, six hundred eighty-eight".