28082744 has 32 divisors (see below), whose sum is σ = 53745120. Its totient is φ = 13754496.

The previous prime is 28082729. The next prime is 28082749. The reversal of 28082744 is 44728082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28082749) 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, 142454 + ... + 142650.

It is an arithmetic number, because the mean of its divisors is an integer number (1679535).

Almost surely, 2^28082744 is an apocalyptic number.

It is an amenable number.

28082744 is a deficient number, since it is larger than the sum of its proper divisors (25662376).

28082744 is a wasteful number, since it uses less digits than its factorization.

28082744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 28082744 is about 5299.3154274868. The cubic root of 28082744 is about 303.9577214981.

The spelling of 28082744 in words is "twenty-eight million, eighty-two thousand, seven hundred forty-four".