28044354 has 32 divisors (see below), whose sum is σ = 60681600. Its totient is φ = 8589312.

The previous prime is 28044347. The next prime is 28044377. The reversal of 28044354 is 45344082.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 19347 + ... + 20745.

It is an arithmetic number, because the mean of its divisors is an integer number (1896300).

Almost surely, 2^28044354 is an apocalyptic number.

28044354 is an abundant number, since it is smaller than the sum of its proper divisors (32637246).

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

28044354 is a wasteful number, since it uses less digits than its factorization.

28044354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 28044354 is about 5295.6920227672. The cubic root of 28044354 is about 303.8191517268.

The spelling of 28044354 in words is "twenty-eight million, forty-four thousand, three hundred fifty-four".