28318254 has 16 divisors (see below), whose sum is σ = 56788992. Its totient is φ = 9414008.

The previous prime is 28318253. The next prime is 28318291. The reversal of 28318254 is 45281382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28318253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3864 + ... + 8459.

It is an arithmetic number, because the mean of its divisors is an integer number (3549312).

Almost surely, 2^28318254 is an apocalyptic number.

28318254 is an abundant number, since it is smaller than the sum of its proper divisors (28470738).

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

28318254 is a wasteful number, since it uses less digits than its factorization.

28318254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12711.

The product of its digits is 15360, while the sum is 33.

The square root of 28318254 is about 5321.4898289859. The cubic root of 28318254 is about 304.8050496542.

The spelling of 28318254 in words is "twenty-eight million, three hundred eighteen thousand, two hundred fifty-four".