28258314 has 16 divisors (see below), whose sum is σ = 64590528. Its totient is φ = 8073792.

The previous prime is 28258313. The next prime is 28258319. The reversal of 28258314 is 41385282.

It is not an unprimeable number, because it can be changed into a prime (28258313) 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, 336367 + ... + 336450.

It is an arithmetic number, because the mean of its divisors is an integer number (4036908).

Almost surely, 2^28258314 is an apocalyptic number.

28258314 is an abundant number, since it is smaller than the sum of its proper divisors (36332214).

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

28258314 is a wasteful number, since it uses less digits than its factorization.

28258314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672829.

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

The square root of 28258314 is about 5315.8549641615. The cubic root of 28258314 is about 304.5898419381.

The spelling of 28258314 in words is "twenty-eight million, two hundred fifty-eight thousand, three hundred fourteen".