28545795 has 24 divisors (see below), whose sum is σ = 49818912. Its totient is φ = 15120000.

The previous prime is 28545791. The next prime is 28545821. The reversal of 28545795 is 59754582.

28545795 is a `hidden beast` number, since 28 + 54 + 579 + 5 = 666.

It is not a de Polignac number, because 28545795 - 2² = 28545791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 28545795.

It is not an unprimeable number, because it can be changed into a prime (28545791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4695 + ... + 8895.

It is an arithmetic number, because the mean of its divisors is an integer number (2075788).

Almost surely, 2^28545795 is an apocalyptic number.

28545795 is a deficient number, since it is larger than the sum of its proper divisors (21273117).

28545795 is a wasteful number, since it uses less digits than its factorization.

28545795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4363 (or 4360 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 28545795 is about 5342.8264991482. The cubic root of 28545795 is about 305.6192560427.

It can be divided in two parts, 2854 and 5795, that added together give a square (8649 = 93²).

The spelling of 28545795 in words is "twenty-eight million, five hundred forty-five thousand, seven hundred ninety-five".