28459149 has 8 divisors (see below), whose sum is σ = 38200800. Its totient is φ = 18845136.

The previous prime is 28459141. The next prime is 28459159. The reversal of 28459149 is 94195482.

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

It is not a de Polignac number, because 28459149 - 2³ = 28459141 is a prime.

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 28459149.

It is a congruent 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, 31387 + ... + 32280.

It is an arithmetic number, because the mean of its divisors is an integer number (4775100).

Almost surely, 2^28459149 is an apocalyptic number.

It is an amenable number.

28459149 is a deficient number, since it is larger than the sum of its proper divisors (9741651).

28459149 is a wasteful number, since it uses less digits than its factorization.

28459149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63819.

The product of its digits is 103680, while the sum is 42.

The square root of 28459149 is about 5334.7117072997. The cubic root of 28459149 is about 305.3097238927.

The spelling of 28459149 in words is "twenty-eight million, four hundred fifty-nine thousand, one hundred forty-nine".