28280595 has 48 divisors (see below), whose sum is σ = 53269920. Its totient is φ = 12773376.

The previous prime is 28280573. The next prime is 28280599. The reversal of 28280595 is 59508282.

It is not a de Polignac number, because 28280595 - 2⁵ = 28280563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28280599) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79939 + ... + 80291.

It is an arithmetic number, because the mean of its divisors is an integer number (1109790).

Almost surely, 2^28280595 is an apocalyptic number.

28280595 is a deficient number, since it is larger than the sum of its proper divisors (24989325).

28280595 is a wasteful number, since it uses less digits than its factorization.

28280595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 28280595 is about 5317.9502630243. The cubic root of 28280595 is about 304.6698748253.

The spelling of 28280595 in words is "twenty-eight million, two hundred eighty thousand, five hundred ninety-five".