28514782 has 16 divisors (see below), whose sum is σ = 45153360. Its totient is φ = 13468032.

The previous prime is 28514777. The next prime is 28514789. The reversal of 28514782 is 28741582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28514789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15588 + ... + 17320.

It is an arithmetic number, because the mean of its divisors is an integer number (2822085).

Almost surely, 2^28514782 is an apocalyptic number.

28514782 is a deficient number, since it is larger than the sum of its proper divisors (16638578).

28514782 is a wasteful number, since it uses less digits than its factorization.

28514782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187.

The product of its digits is 35840, while the sum is 37.

The square root of 28514782 is about 5339.9234076904. The cubic root of 28514782 is about 305.5085379899.

The spelling of 28514782 in words is "twenty-eight million, five hundred fourteen thousand, seven hundred eighty-two".