28941694 has 16 divisors (see below), whose sum is σ = 44434656. Its totient is φ = 14133600.

The previous prime is 28941691. The next prime is 28941713. The reversal of 28941694 is 49614982.

It is a self number, because there is not a number n which added to its sum of digits gives 28941694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28941691) 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 7 ways as a sum of consecutive naturals, for example, 18399 + ... + 19909.

It is an arithmetic number, because the mean of its divisors is an integer number (2777166).

Almost surely, 2^28941694 is an apocalyptic number.

28941694 is a deficient number, since it is larger than the sum of its proper divisors (15492962).

28941694 is a wasteful number, since it uses less digits than its factorization.

28941694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731.

The product of its digits is 124416, while the sum is 43.

The square root of 28941694 is about 5379.7485071330. The cubic root of 28941694 is about 307.0256426925.

The spelling of 28941694 in words is "twenty-eight million, nine hundred forty-one thousand, six hundred ninety-four".