28282746 has 8 divisors (see below), whose sum is σ = 56565504. Its totient is φ = 9427580.

The previous prime is 28282741. The next prime is 28282817. The reversal of 28282746 is 64728282.

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

28282746 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (28282741) 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, 2356890 + ... + 2356901.

It is an arithmetic number, because the mean of its divisors is an integer number (7070688).

Almost surely, 2^28282746 is an apocalyptic number.

28282746 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28282746 is a wasteful number, since it uses less digits than its factorization.

28282746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4713796.

The product of its digits is 86016, while the sum is 39.

The square root of 28282746 is about 5318.1524987537. The cubic root of 28282746 is about 304.6775989472.

It can be divided in two parts, 282 and 82746, that added together give a triangular number (83028 = T₄₀₇).

The spelling of 28282746 in words is "twenty-eight million, two hundred eighty-two thousand, seven hundred forty-six".