28744246 has 16 divisors (see below), whose sum is σ = 45757440. Its totient is φ = 13495680.

The previous prime is 28744231. The next prime is 28744259. The reversal of 28744246 is 64244782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21835 + ... + 23113.

It is an arithmetic number, because the mean of its divisors is an integer number (2859840).

Almost surely, 2^28744246 is an apocalyptic number.

28744246 is a deficient number, since it is larger than the sum of its proper divisors (17013194).

28744246 is a wasteful number, since it uses less digits than its factorization.

28744246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959.

The product of its digits is 86016, while the sum is 37.

The square root of 28744246 is about 5361.3660572656. The cubic root of 28744246 is about 306.3258451049.

The spelling of 28744246 in words is "twenty-eight million, seven hundred forty-four thousand, two hundred forty-six".