28317254 has 8 divisors (see below), whose sum is σ = 48543888. Its totient is φ = 12135960.

The previous prime is 28317251. The next prime is 28317283. The reversal of 28317254 is 45271382.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28317254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28317251) 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, 1011317 + ... + 1011344.

It is an arithmetic number, because the mean of its divisors is an integer number (6067986).

Almost surely, 2^28317254 is an apocalyptic number.

28317254 is a deficient number, since it is larger than the sum of its proper divisors (20226634).

28317254 is a wasteful number, since it uses less digits than its factorization.

28317254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022670.

The product of its digits is 13440, while the sum is 32.

The square root of 28317254 is about 5321.3958695064. The cubic root of 28317254 is about 304.8014617607.

The spelling of 28317254 in words is "twenty-eight million, three hundred seventeen thousand, two hundred fifty-four".