28459147 has 8 divisors (see below), whose sum is σ = 29596032. Its totient is φ = 27336000.

The previous prime is 28459141. The next prime is 28459159. The reversal of 28459147 is 74195482.

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

It is a cyclic number.

It is not a de Polignac number, because 28459147 - 2¹⁵ = 28426379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28459141) 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, 897 + ... + 7597.

It is an arithmetic number, because the mean of its divisors is an integer number (3699504).

Almost surely, 2^28459147 is an apocalyptic number.

28459147 is a deficient number, since it is larger than the sum of its proper divisors (1136885).

28459147 is a wasteful number, since it uses less digits than its factorization.

28459147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6869.

The product of its digits is 80640, while the sum is 40.

The square root of 28459147 is about 5334.7115198481. The cubic root of 28459147 is about 305.3097167407.

The spelling of 28459147 in words is "twenty-eight million, four hundred fifty-nine thousand, one hundred forty-seven".