28459653 has 8 divisors (see below), whose sum is σ = 38589600. Its totient is φ = 18651408.

The previous prime is 28459633. The next prime is 28459661. The reversal of 28459653 is 35695482.

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

It is not a de Polignac number, because 28459653 - 2⁹ = 28459141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28459603) 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, 80218 + ... + 80571.

It is an arithmetic number, because the mean of its divisors is an integer number (4823700).

Almost surely, 2^28459653 is an apocalyptic number.

It is an amenable number.

28459653 is a deficient number, since it is larger than the sum of its proper divisors (10129947).

28459653 is a wasteful number, since it uses less digits than its factorization.

28459653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160851.

The product of its digits is 259200, while the sum is 42.

The square root of 28459653 is about 5334.7589448821. The cubic root of 28459653 is about 305.3115261859.

The spelling of 28459653 in words is "twenty-eight million, four hundred fifty-nine thousand, six hundred fifty-three".