28736336 has 10 divisors (see below), whose sum is σ = 55676682. Its totient is φ = 14368160.

The previous prime is 28736333. The next prime is 28736353. The reversal of 28736336 is 63363782.

It can be written as a sum of positive squares in only one way, i.e., 19855936 + 8880400 = 4456^2 + 2980^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28736336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28736333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 897995 + ... + 898026.

Almost surely, 2^28736336 is an apocalyptic number.

It is an amenable number.

28736336 is a deficient number, since it is larger than the sum of its proper divisors (26940346).

28736336 is a wasteful number, since it uses less digits than its factorization.

28736336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796029 (or 1796023 counting only the distinct ones).

The product of its digits is 108864, while the sum is 38.

The square root of 28736336 is about 5360.6283213817. The cubic root of 28736336 is about 306.2977437157.

The spelling of 28736336 in words is "twenty-eight million, seven hundred thirty-six thousand, three hundred thirty-six".