28459146 has 8 divisors (see below), whose sum is σ = 56918304. Its totient is φ = 9486380.

The previous prime is 28459141. The next prime is 28459159. The reversal of 28459146 is 64195482.

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

28459146 is an admirable number.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 2371590 + ... + 2371601.

It is an arithmetic number, because the mean of its divisors is an integer number (7114788).

Almost surely, 2^28459146 is an apocalyptic number.

28459146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28459146 is a wasteful number, since it uses less digits than its factorization.

28459146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4743196.

The product of its digits is 69120, while the sum is 39.

The square root of 28459146 is about 5334.7114261223. The cubic root of 28459146 is about 305.3097131647.

The spelling of 28459146 in words is "twenty-eight million, four hundred fifty-nine thousand, one hundred forty-six".