10028887 has 16 divisors (see below), whose sum is σ = 11529504. Its totient is φ = 8640000.

The previous prime is 10028881. The next prime is 10028891. The reversal of 10028887 is 78882001.

10028887 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10028887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10028881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16387 + ... + 16987.

It is an arithmetic number, because the mean of its divisors is an integer number (720594).

Almost surely, 2^10028887 is an apocalyptic number.

10028887 is a deficient number, since it is larger than the sum of its proper divisors (1500617).

10028887 is a wasteful number, since it uses less digits than its factorization.

10028887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690.

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 10028887 is about 3166.8418021745. The cubic root of 10028887 is about 215.6507200853.

It can be divided in two parts, 1002 and 8887, that added together give a palindrome (9889).

The spelling of 10028887 in words is "ten million, twenty-eight thousand, eight hundred eighty-seven".