28394936 has 16 divisors (see below), whose sum is σ = 53730600. Its totient is φ = 14066784.

The previous prime is 28394929. The next prime is 28394941. The reversal of 28394936 is 63949382.

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, 15410 + ... + 17153.

Almost surely, 2^28394936 is an apocalyptic number.

It is an amenable number.

28394936 is a deficient number, since it is larger than the sum of its proper divisors (25335664).

28394936 is a wasteful number, since it uses less digits than its factorization.

28394936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32678 (or 32674 counting only the distinct ones).

The product of its digits is 279936, while the sum is 44.

The square root of 28394936 is about 5328.6898952744. The cubic root of 28394936 is about 305.0799253047.

It can be divided in two parts, 2 and 8394936, that added together give a palindrome (8394938).

The spelling of 28394936 in words is "twenty-eight million, three hundred ninety-four thousand, nine hundred thirty-six".