28698806 has 16 divisors (see below), whose sum is σ = 44668800. Its totient is φ = 13812288.

The previous prime is 28698799. The next prime is 28698809. The reversal of 28698806 is 60889682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28698809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27266 + ... + 28298.

It is an arithmetic number, because the mean of its divisors is an integer number (2791800).

Almost surely, 2^28698806 is an apocalyptic number.

28698806 is a deficient number, since it is larger than the sum of its proper divisors (15969994).

28698806 is a wasteful number, since it uses less digits than its factorization.

28698806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543.

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 28698806 is about 5357.1266552136. The cubic root of 28698806 is about 306.1643427802.

The spelling of 28698806 in words is "twenty-eight million, six hundred ninety-eight thousand, eight hundred six".