28192365 has 24 divisors (see below), whose sum is σ = 50993280. Its totient is φ = 14381664.

The previous prime is 28192357. The next prime is 28192369. The reversal of 28192365 is 56329182.

It is not a de Polignac number, because 28192365 - 2³ = 28192357 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28192369) 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, 12585 + ... + 14654.

It is an arithmetic number, because the mean of its divisors is an integer number (2124720).

Almost surely, 2^28192365 is an apocalyptic number.

It is an amenable number.

28192365 is a deficient number, since it is larger than the sum of its proper divisors (22800915).

28192365 is a wasteful number, since it uses less digits than its factorization.

28192365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27273 (or 27270 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 28192365 is about 5309.6482934371. The cubic root of 28192365 is about 304.3527076872.

It can be divided in two parts, 2819 and 2365, that added together give a square (5184 = 72²).

The spelling of 28192365 in words is "twenty-eight million, one hundred ninety-two thousand, three hundred sixty-five".