28714444 has 12 divisors (see below), whose sum is σ = 54818568. Its totient is φ = 13052000.

The previous prime is 28714423. The next prime is 28714457. The reversal of 28714444 is 44441782.

It is an unprimeable number.

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, 326257 + ... + 326344.

It is an arithmetic number, because the mean of its divisors is an integer number (4568214).

Almost surely, 2^28714444 is an apocalyptic number.

It is an amenable number.

28714444 is a deficient number, since it is larger than the sum of its proper divisors (26104124).

28714444 is a wasteful number, since it uses less digits than its factorization.

28714444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652616 (or 652614 counting only the distinct ones).

The product of its digits is 28672, while the sum is 34.

The square root of 28714444 is about 5358.5860075210. The cubic root of 28714444 is about 306.2199424061.

The spelling of 28714444 in words is "twenty-eight million, seven hundred fourteen thousand, four hundred forty-four".