28459796 has 18 divisors (see below), whose sum is σ = 52566570. Its totient is φ = 13480272.

The previous prime is 28459789. The next prime is 28459799. The reversal of 28459796 is 69795482.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 24403600 + 4056196 = 4940^2 + 2014^2 .

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28459799) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8411 + ... + 11298.

It is an arithmetic number, because the mean of its divisors is an integer number (2920365).

Almost surely, 2^28459796 is an apocalyptic number.

It is an amenable number.

28459796 is a deficient number, since it is larger than the sum of its proper divisors (24106774).

28459796 is a wasteful number, since it uses less digits than its factorization.

28459796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19751 (or 19730 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 28459796 is about 5334.7723475327. The cubic root of 28459796 is about 305.3120375470.

The spelling of 28459796 in words is "twenty-eight million, four hundred fifty-nine thousand, seven hundred ninety-six".