28312606 has 8 divisors (see below), whose sum is σ = 48535920. Its totient is φ = 12133968.

The previous prime is 28312597. The next prime is 28312607. The reversal of 28312606 is 60621382.

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

It is a super-2 number, since 2×28312606² = 1603207317022472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28312607) 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, 1011151 + ... + 1011178.

It is an arithmetic number, because the mean of its divisors is an integer number (6066990).

Almost surely, 2^28312606 is an apocalyptic number.

28312606 is a deficient number, since it is larger than the sum of its proper divisors (20223314).

28312606 is a wasteful number, since it uses less digits than its factorization.

28312606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022338.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 28312606 is about 5320.9591240678. The cubic root of 28312606 is about 304.7847841230.

Adding to 28312606 its reverse (60621382), we get a palindrome (88933988).

The spelling of 28312606 in words is "twenty-eight million, three hundred twelve thousand, six hundred six".