28535043 has 16 divisors (see below), whose sum is σ = 39906720. Its totient is φ = 18111744.

The previous prime is 28535033. The next prime is 28535047. The reversal of 28535043 is 34053582.

It is not a de Polignac number, because 28535043 - 2⁵ = 28535011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28535043.

It is not an unprimeable number, because it can be changed into a prime (28535047) 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, 4105 + ... + 8597.

It is an arithmetic number, because the mean of its divisors is an integer number (2494170).

Almost surely, 2^28535043 is an apocalyptic number.

28535043 is a deficient number, since it is larger than the sum of its proper divisors (11371677).

28535043 is a wasteful number, since it uses less digits than its factorization.

28535043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4598.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 28535043 is about 5341.8201954016. The cubic root of 28535043 is about 305.5808799188.

The spelling of 28535043 in words is "twenty-eight million, five hundred thirty-five thousand, forty-three".