28819353 has 4 divisors (see below), whose sum is σ = 38425808. Its totient is φ = 19212900.

The previous prime is 28819291. The next prime is 28819381. The reversal of 28819353 is 35391882.

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.

It is not a de Polignac number, because 28819353 - 2⁶ = 28819289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28819393) 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, 4803223 + ... + 4803228.

It is an arithmetic number, because the mean of its divisors is an integer number (9606452).

Almost surely, 2^28819353 is an apocalyptic number.

It is an amenable number.

28819353 is a deficient number, since it is larger than the sum of its proper divisors (9606455).

28819353 is an equidigital number, since it uses as much as digits as its factorization.

28819353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9606454.

The product of its digits is 51840, while the sum is 39.

The square root of 28819353 is about 5368.3659525036. The cubic root of 28819353 is about 306.5924167805.

The spelling of 28819353 in words is "twenty-eight million, eight hundred nineteen thousand, three hundred fifty-three".