28826454 has 8 divisors (see below), whose sum is σ = 57652920. Its totient is φ = 9608816.

The previous prime is 28826449. The next prime is 28826489. The reversal of 28826454 is 45462882.

It is a sphenic number, since it is the product of 3 distinct primes.

28826454 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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, 2402199 + ... + 2402210.

It is an arithmetic number, because the mean of its divisors is an integer number (7206615).

Almost surely, 2^28826454 is an apocalyptic number.

28826454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28826454 is a wasteful number, since it uses less digits than its factorization.

28826454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4804414.

The product of its digits is 122880, while the sum is 39.

The square root of 28826454 is about 5369.0272862037. The cubic root of 28826454 is about 306.6175958556.

The spelling of 28826454 in words is "twenty-eight million, eight hundred twenty-six thousand, four hundred fifty-four".