10028881 has 2 divisors, whose sum is σ = 10028882. Its totient is φ = 10028880.

The previous prime is 10028873. The next prime is 10028891. The reversal of 10028881 is 18882001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7952400 + 2076481 = 2820^2 + 1441^2 .

It is a cyclic number.

It is not a de Polignac number, because 10028881 - 2³ = 10028873 is a prime.

It is a super-2 number, since 2×10028881² = 201156908224322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10028831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5014440 + 5014441.

It is an arithmetic number, because the mean of its divisors is an integer number (5014441).

Almost surely, 2^10028881 is an apocalyptic number.

It is an amenable number.

10028881 is a deficient number, since it is larger than the sum of its proper divisors (1).

10028881 is an equidigital number, since it uses as much as digits as its factorization.

10028881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 10028881 is about 3166.8408548584. The cubic root of 10028881 is about 215.6506770794.

The spelling of 10028881 in words is "ten million, twenty-eight thousand, eight hundred eighty-one".