28289162 has 8 divisors (see below), whose sum is σ = 46291392. Its totient is φ = 12858700.

The previous prime is 28289161. The next prime is 28289167. The reversal of 28289162 is 26198282.

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

It is not an unprimeable number, because it can be changed into a prime (28289161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642914 + ... + 642957.

It is an arithmetic number, because the mean of its divisors is an integer number (5786424).

Almost surely, 2^28289162 is an apocalyptic number.

28289162 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28289162 is a deficient number, since it is larger than the sum of its proper divisors (18002230).

28289162 is a wasteful number, since it uses less digits than its factorization.

28289162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285884.

The product of its digits is 27648, while the sum is 38.

The square root of 28289162 is about 5318.7556815481. The cubic root of 28289162 is about 304.7006361218.

The spelling of 28289162 in words is "twenty-eight million, two hundred eighty-nine thousand, one hundred sixty-two".