28716353 has 4 divisors (see below), whose sum is σ = 30227760. Its totient is φ = 27204948.

The previous prime is 28716287. The next prime is 28716431. The reversal of 28716353 is 35361782.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35361782 = 2 ⋅17680891.

It is a cyclic number.

It is not a de Polignac number, because 28716353 - 2¹⁴ = 28699969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28712353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755675 + ... + 755712.

It is an arithmetic number, because the mean of its divisors is an integer number (7556940).

Almost surely, 2^28716353 is an apocalyptic number.

It is an amenable number.

28716353 is a deficient number, since it is larger than the sum of its proper divisors (1511407).

28716353 is a wasteful number, since it uses less digits than its factorization.

28716353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511406.

The product of its digits is 30240, while the sum is 35.

The square root of 28716353 is about 5358.7641299091. The cubic root of 28716353 is about 306.2267283163.

The spelling of 28716353 in words is "twenty-eight million, seven hundred sixteen thousand, three hundred fifty-three".