28826453 has 4 divisors (see below), whose sum is σ = 28891968. Its totient is φ = 28760940.

The previous prime is 28826449. The next prime is 28826489. The reversal of 28826453 is 35462882.

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 a cyclic number.

It is not a de Polignac number, because 28826453 - 2² = 28826449 is a prime.

It is a super-2 number, since 2×28826453² = 1661928785122418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28826423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32093 + ... + 32978.

It is an arithmetic number, because the mean of its divisors is an integer number (7222992).

Almost surely, 2^28826453 is an apocalyptic number.

It is an amenable number.

28826453 is a deficient number, since it is larger than the sum of its proper divisors (65515).

28826453 is an equidigital number, since it uses as much as digits as its factorization.

28826453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65514.

The product of its digits is 92160, while the sum is 38.

The square root of 28826453 is about 5369.0271930770. The cubic root of 28826453 is about 306.6175923101.

The spelling of 28826453 in words is "twenty-eight million, eight hundred twenty-six thousand, four hundred fifty-three".