28539010 has 16 divisors (see below), whose sum is σ = 51564672. Its totient is φ = 11372400.

The previous prime is 28539001. The next prime is 28539019. The reversal of 28539010 is 1093582.

It is an interprime number because it is at equal distance from previous prime (28539001) and next prime (28539019).

It is a self number, because there is not a number n which added to its sum of digits gives 28539010.

It is not an unprimeable number, because it can be changed into a prime (28539019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2556 + ... + 7975.

It is an arithmetic number, because the mean of its divisors is an integer number (3222792).

Almost surely, 2^28539010 is an apocalyptic number.

28539010 is a deficient number, since it is larger than the sum of its proper divisors (23025662).

28539010 is a wasteful number, since it uses less digits than its factorization.

28539010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10809.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 28539010 is about 5342.1914978780. The cubic root of 28539010 is about 305.5950400888.

The spelling of 28539010 in words is "twenty-eight million, five hundred thirty-nine thousand, ten".