5128868 has 12 divisors (see below), whose sum is σ = 9184560. Its totient is φ = 2504712.

The previous prime is 5128867. The next prime is 5128873. The reversal of 5128868 is 8688215.

It is a super-2 number, since 2×5128868² = 52610573922848, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5128861) 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, 14738 + ... + 15081.

It is an arithmetic number, because the mean of its divisors is an integer number (765380).

Almost surely, 2^5128868 is an apocalyptic number.

It is an amenable number.

5128868 is a deficient number, since it is larger than the sum of its proper divisors (4055692).

5128868 is a wasteful number, since it uses less digits than its factorization.

5128868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29866 (or 29864 counting only the distinct ones).

The product of its digits is 30720, while the sum is 38.

The square root of 5128868 is about 2264.7004216894. The cubic root of 5128868 is about 172.4542257597.

The spelling of 5128868 in words is "five million, one hundred twenty-eight thousand, eight hundred sixty-eight".