28194748 has 12 divisors (see below), whose sum is σ = 50932672. Its totient is φ = 13642560.

The previous prime is 28194707. The next prime is 28194763. The reversal of 28194748 is 84749182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113565 + ... + 113812.

Almost surely, 2^28194748 is an apocalyptic number.

It is an amenable number.

28194748 is a deficient number, since it is larger than the sum of its proper divisors (22737924).

28194748 is a wasteful number, since it uses less digits than its factorization.

28194748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227412 (or 227410 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The square root of 28194748 is about 5309.8726915059. The cubic root of 28194748 is about 304.3612827283.

The spelling of 28194748 in words is "twenty-eight million, one hundred ninety-four thousand, seven hundred forty-eight".