28719353 has 6 divisors (see below), whose sum is σ = 31098654. Its totient is φ = 26510016.

The previous prime is 28719343. The next prime is 28719373. The reversal of 28719353 is 35391782.

It can be written as a sum of positive squares in 3 ways, for example, as 21904 + 28697449 = 148^2 + 5357^2 .

It is not a de Polignac number, because 28719353 - 2¹² = 28715257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28719323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84800 + ... + 85137.

It is an arithmetic number, because the mean of its divisors is an integer number (5183109).

Almost surely, 2^28719353 is an apocalyptic number.

It is an amenable number.

28719353 is a deficient number, since it is larger than the sum of its proper divisors (2379301).

28719353 is a wasteful number, since it uses less digits than its factorization.

28719353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169963 (or 169950 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 28719353 is about 5359.0440378859. The cubic root of 28719353 is about 306.2373917897.

The spelling of 28719353 in words is "twenty-eight million, seven hundred nineteen thousand, three hundred fifty-three".