28831006 has 8 divisors (see below), whose sum is σ = 45126864. Its totient is φ = 13788720.

The previous prime is 28830973. The next prime is 28831007. The reversal of 28831006 is 60013882.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28831007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313335 + ... + 313426.

It is an arithmetic number, because the mean of its divisors is an integer number (5640858).

Almost surely, 2^28831006 is an apocalyptic number.

28831006 is a deficient number, since it is larger than the sum of its proper divisors (16295858).

28831006 is a wasteful number, since it uses less digits than its factorization.

28831006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626786.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 28831006 is about 5369.4511823835. The cubic root of 28831006 is about 306.6337343863.

Adding to 28831006 its reverse (60013882), we get a palindrome (88844888).

The spelling of 28831006 in words is "twenty-eight million, eight hundred thirty-one thousand, six".