28546863 has 4 divisors (see below), whose sum is σ = 38062488. Its totient is φ = 19031240.

The previous prime is 28546829. The next prime is 28546867. The reversal of 28546863 is 36864582.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28546863 - 2⁶ = 28546799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28546867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4757808 + ... + 4757813.

It is an arithmetic number, because the mean of its divisors is an integer number (9515622).

Almost surely, 2^28546863 is an apocalyptic number.

28546863 is a deficient number, since it is larger than the sum of its proper divisors (9515625).

28546863 is an equidigital number, since it uses as much as digits as its factorization.

28546863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9515624.

The product of its digits is 276480, while the sum is 42.

The square root of 28546863 is about 5342.9264453107. The cubic root of 28546863 is about 305.6230674306.

The spelling of 28546863 in words is "twenty-eight million, five hundred forty-six thousand, eight hundred sixty-three".