4890891328 has 28 divisors (see below), whose sum is σ = 10018442752. Its totient is φ = 2366559360.

The previous prime is 4890891323. The next prime is 4890891329. The reversal of 4890891328 is 8231980984.

It is not an unprimeable number, because it can be changed into a prime (4890891323) 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, 1230600 + ... + 1234567.

Almost surely, 2^4890891328 is an apocalyptic number.

It is an amenable number.

4890891328 is an abundant number, since it is smaller than the sum of its proper divisors (5127551424).

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

4890891328 is a wasteful number, since it uses less digits than its factorization.

4890891328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465210 (or 2465200 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 52.

The square root of 4890891328 is about 69934.9077928898. The cubic root of 4890891328 is about 1697.4461455105.

The spelling of 4890891328 in words is "four billion, eight hundred ninety million, eight hundred ninety-one thousand, three hundred twenty-eight".