28060406 has 16 divisors (see below), whose sum is σ = 45999360. Its totient is φ = 12731880.

The previous prime is 28060399. The next prime is 28060411. The reversal of 28060406 is 60406082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20615 + ... + 21933.

It is an arithmetic number, because the mean of its divisors is an integer number (2874960).

Almost surely, 2^28060406 is an apocalyptic number.

28060406 is a deficient number, since it is larger than the sum of its proper divisors (17938954).

28060406 is a wasteful number, since it uses less digits than its factorization.

28060406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 28060406 is about 5297.2073774773. The cubic root of 28060406 is about 303.8771072407.

Adding to 28060406 its reverse (60406082), we get a palindrome (88466488).

The spelling of 28060406 in words is "twenty-eight million, sixty thousand, four hundred six".