28587254 has 8 divisors (see below), whose sum is σ = 43034328. Its totient is φ = 14242480.

The previous prime is 28587253. The next prime is 28587257. The reversal of 28587254 is 45278582.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28587253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24872 + ... + 25995.

It is an arithmetic number, because the mean of its divisors is an integer number (5379291).

Almost surely, 2^28587254 is an apocalyptic number.

28587254 is a deficient number, since it is larger than the sum of its proper divisors (14447074).

28587254 is a wasteful number, since it uses less digits than its factorization.

28587254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51150.

The product of its digits is 179200, while the sum is 41.

The square root of 28587254 is about 5346.7049666126. The cubic root of 28587254 is about 305.7671416831.

The spelling of 28587254 in words is "twenty-eight million, five hundred eighty-seven thousand, two hundred fifty-four".