28850365 has 4 divisors (see below), whose sum is σ = 34620444. Its totient is φ = 23080288.

The previous prime is 28850363. The next prime is 28850383. The reversal of 28850365 is 56305882.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16760836 + 12089529 = 4094^2 + 3477^2 .

It is a cyclic number.

It is not a de Polignac number, because 28850365 - 2¹ = 28850363 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28850363) 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, 2885032 + ... + 2885041.

It is an arithmetic number, because the mean of its divisors is an integer number (8655111).

Almost surely, 2^28850365 is an apocalyptic number.

It is an amenable number.

28850365 is a deficient number, since it is larger than the sum of its proper divisors (5770079).

28850365 is an equidigital number, since it uses as much as digits as its factorization.

28850365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5770078.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 28850365 is about 5371.2535780765. The cubic root of 28850365 is about 306.7023502638.

It can be divided in two parts, 288 and 50365, that added together give a cube (50653 = 37³).

The spelling of 28850365 in words is "twenty-eight million, eight hundred fifty thousand, three hundred sixty-five".