28208694 has 16 divisors (see below), whose sum is σ = 56977200. Its totient is φ = 9309600.

The previous prime is 28208683. The next prime is 28208699. The reversal of 28208694 is 49680282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28208699) 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, 22669 + ... + 23880.

It is an arithmetic number, because the mean of its divisors is an integer number (3561075).

Almost surely, 2^28208694 is an apocalyptic number.

28208694 is an abundant number, since it is smaller than the sum of its proper divisors (28768506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28208694 is a wasteful number, since it uses less digits than its factorization.

28208694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46655.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 28208694 is about 5311.1857433157. The cubic root of 28208694 is about 304.4114566448.

The spelling of 28208694 in words is "twenty-eight million, two hundred eight thousand, six hundred ninety-four".