28842453 has 16 divisors (see below), whose sum is σ = 42820800. Its totient is φ = 19187280.

The previous prime is 28842439. The next prime is 28842461. The reversal of 28842453 is 35424882.

It is not a de Polignac number, because 28842453 - 2⁸ = 28842197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28842553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16983 + ... + 18603.

It is an arithmetic number, because the mean of its divisors is an integer number (2676300).

Almost surely, 2^28842453 is an apocalyptic number.

It is an amenable number.

28842453 is a deficient number, since it is larger than the sum of its proper divisors (13978347).

28842453 is a wasteful number, since it uses less digits than its factorization.

28842453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289 (or 2283 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 28842453 is about 5370.5170142175. The cubic root of 28842453 is about 306.6743107473.

The spelling of 28842453 in words is "twenty-eight million, eight hundred forty-two thousand, four hundred fifty-three".