28608002 has 4 divisors (see below), whose sum is σ = 42912006. Its totient is φ = 14304000.

The previous prime is 28607987. The next prime is 28608011. The reversal of 28608002 is 20080682.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26946481 + 1661521 = 5191^2 + 1289^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7151999 + ... + 7152002.

Almost surely, 2^28608002 is an apocalyptic number.

28608002 is a deficient number, since it is larger than the sum of its proper divisors (14304004).

28608002 is a wasteful number, since it uses less digits than its factorization.

28608002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14304003.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 28608002 is about 5348.6448751062. The cubic root of 28608002 is about 305.8410968157.

Adding to 28608002 its reverse (20080682), we get a palindrome (48688684).

The spelling of 28608002 in words is "twenty-eight million, six hundred eight thousand, two".