28243262 has 8 divisors (see below), whose sum is σ = 42945456. Its totient is φ = 13928112.

The previous prime is 28243261. The next prime is 28243283. The reversal of 28243262 is 26234282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28243261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96578 + ... + 96869.

It is an arithmetic number, because the mean of its divisors is an integer number (5368182).

Almost surely, 2^28243262 is an apocalyptic number.

28243262 is a deficient number, since it is larger than the sum of its proper divisors (14702194).

28243262 is a wasteful number, since it uses less digits than its factorization.

28243262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193522.

The product of its digits is 9216, while the sum is 29.

The square root of 28243262 is about 5314.4390108458. The cubic root of 28243262 is about 304.5357516556.

The spelling of 28243262 in words is "twenty-eight million, two hundred forty-three thousand, two hundred sixty-two".