28628006 has 8 divisors (see below), whose sum is σ = 46845864. Its totient is φ = 13012720.

The previous prime is 28627979. The next prime is 28628009. The reversal of 28628006 is 60082682.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28628009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650615 + ... + 650658.

It is an arithmetic number, because the mean of its divisors is an integer number (5855733).

Almost surely, 2^28628006 is an apocalyptic number.

28628006 is a deficient number, since it is larger than the sum of its proper divisors (18217858).

28628006 is a wasteful number, since it uses less digits than its factorization.

28628006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301286.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 28628006 is about 5350.5145546947. The cubic root of 28628006 is about 305.9123661509.

The spelling of 28628006 in words is "twenty-eight million, six hundred twenty-eight thousand, six".