28967894 has 16 divisors (see below), whose sum is σ = 46856880. Its totient is φ = 13386240.

The previous prime is 28967893. The next prime is 28967903. The reversal of 28967894 is 49876982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28967891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7739 + ... + 10854.

It is an arithmetic number, because the mean of its divisors is an integer number (2928555).

Almost surely, 2^28967894 is an apocalyptic number.

28967894 is a deficient number, since it is larger than the sum of its proper divisors (17888986).

28967894 is a wasteful number, since it uses less digits than its factorization.

28967894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18655.

The product of its digits is 1741824, while the sum is 53.

The square root of 28967894 is about 5382.1830143539. The cubic root of 28967894 is about 307.1182616170.

The spelling of 28967894 in words is "twenty-eight million, nine hundred sixty-seven thousand, eight hundred ninety-four".