4891446028 has 48 divisors (see below), whose sum is σ = 10060775424. Its totient is φ = 2036940480.

The previous prime is 4891445969. The next prime is 4891446047. The reversal of 4891446028 is 8206441984.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 891333 + ... + 896803.

It is an arithmetic number, because the mean of its divisors is an integer number (209599488).

Almost surely, 2^4891446028 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 4891446028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5030387712).

4891446028 is an abundant number, since it is smaller than the sum of its proper divisors (5169329396).

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

4891446028 is a wasteful number, since it uses less digits than its factorization.

4891446028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6382 (or 6380 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 4891446028 is about 69938.8735110882. The cubic root of 4891446028 is about 1697.5103149852.

The spelling of 4891446028 in words is "four billion, eight hundred ninety-one million, four hundred forty-six thousand, twenty-eight".