28027454 has 16 divisors (see below), whose sum is σ = 51743328. Its totient is φ = 11087712.

The previous prime is 28027453. The next prime is 28027457. The reversal of 28027454 is 45472082.

It is a self number, because there is not a number n which added to its sum of digits gives 28027454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28027453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76817 + ... + 77180.

It is an arithmetic number, because the mean of its divisors is an integer number (3233958).

Almost surely, 2^28027454 is an apocalyptic number.

28027454 is a deficient number, since it is larger than the sum of its proper divisors (23715874).

28027454 is a wasteful number, since it uses less digits than its factorization.

28027454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154019.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 28027454 is about 5294.0961457080. The cubic root of 28027454 is about 303.7581106179.

The spelling of 28027454 in words is "twenty-eight million, twenty-seven thousand, four hundred fifty-four".