28652306 has 8 divisors (see below), whose sum is σ = 43002684. Its totient is φ = 14318080.

The previous prime is 28652297. The next prime is 28652329. The reversal of 28652306 is 60325682.

It can be written as a sum of positive squares in 2 ways, for example, as 28526281 + 126025 = 5341^2 + 355^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2546 + ... + 7986.

Almost surely, 2^28652306 is an apocalyptic number.

28652306 is a deficient number, since it is larger than the sum of its proper divisors (14350378).

28652306 is a wasteful number, since it uses less digits than its factorization.

28652306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8076.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 28652306 is about 5352.7848826569. The cubic root of 28652306 is about 305.9988964319.

Adding to 28652306 its reverse (60325682), we get a palindrome (88977988).

The spelling of 28652306 in words is "twenty-eight million, six hundred fifty-two thousand, three hundred six".