28942694 has 32 divisors (see below), whose sum is σ = 50512896. Its totient is φ = 12305920.

The previous prime is 28942663. The next prime is 28942699. The reversal of 28942694 is 49624982.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28942699) 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 15 ways as a sum of consecutive naturals, for example, 23174 + ... + 24390.

It is an arithmetic number, because the mean of its divisors is an integer number (1578528).

Almost surely, 2^28942694 is an apocalyptic number.

28942694 is a deficient number, since it is larger than the sum of its proper divisors (21570202).

28942694 is a wasteful number, since it uses less digits than its factorization.

28942694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300.

The product of its digits is 248832, while the sum is 44.

The square root of 28942694 is about 5379.8414474778. The cubic root of 28942694 is about 307.0291787918.

The spelling of 28942694 in words is "twenty-eight million, nine hundred forty-two thousand, six hundred ninety-four".