28736356 has 24 divisors (see below), whose sum is σ = 55115424. Its totient is φ = 13001280.

The previous prime is 28736353. The next prime is 28736359. The reversal of 28736356 is 65363782.

It is an interprime number because it is at equal distance from previous prime (28736353) and next prime (28736359).

It is not an unprimeable number, because it can be changed into a prime (28736353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8851 + ... + 11653.

It is an arithmetic number, because the mean of its divisors is an integer number (2296476).

Almost surely, 2^28736356 is an apocalyptic number.

It is an amenable number.

28736356 is a deficient number, since it is larger than the sum of its proper divisors (26379068).

28736356 is a wasteful number, since it uses less digits than its factorization.

28736356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3051 (or 3049 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 28736356 is about 5360.6301868344. The cubic root of 28736356 is about 306.2978147750.

It can be divided in two parts, 28736 and 356, that added together give a palindrome (29092).

The spelling of 28736356 in words is "twenty-eight million, seven hundred thirty-six thousand, three hundred fifty-six".