28541863 has 12 divisors (see below), whose sum is σ = 34013952. Its totient is φ = 23866080.

The previous prime is 28541833. The next prime is 28541881. The reversal of 28541863 is 36814582.

It is a happy number.

It is not a de Polignac number, because 28541863 - 2²¹ = 26444711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28541833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5095 + ... + 9112.

It is an arithmetic number, because the mean of its divisors is an integer number (2834496).

Almost surely, 2^28541863 is an apocalyptic number.

28541863 is a deficient number, since it is larger than the sum of its proper divisors (5472089).

28541863 is a wasteful number, since it uses less digits than its factorization.

28541863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14262 (or 14255 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 28541863 is about 5342.4585164510. The cubic root of 28541863 is about 305.6052230349.

The spelling of 28541863 in words is "twenty-eight million, five hundred forty-one thousand, eight hundred sixty-three".