28659774 has 32 divisors (see below), whose sum is σ = 67342464. Its totient is φ = 8016480.

The previous prime is 28659749. The next prime is 28659791. The reversal of 28659774 is 47795682.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15844 + ... + 17559.

It is an arithmetic number, because the mean of its divisors is an integer number (2104452).

Almost surely, 2^28659774 is an apocalyptic number.

28659774 is an abundant number, since it is smaller than the sum of its proper divisors (38682690).

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

28659774 is a wasteful number, since it uses less digits than its factorization.

28659774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33432.

The product of its digits is 846720, while the sum is 48.

The square root of 28659774 is about 5353.4824180154. The cubic root of 28659774 is about 306.0254795307.

The spelling of 28659774 in words is "twenty-eight million, six hundred fifty-nine thousand, seven hundred seventy-four".