28136792 has 32 divisors (see below), whose sum is σ = 54362880. Its totient is φ = 13644960.

The previous prime is 28136743. The next prime is 28136807. The reversal of 28136792 is 29763182.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 90317 + ... + 90627.

It is an arithmetic number, because the mean of its divisors is an integer number (1698840).

Almost surely, 2^28136792 is an apocalyptic number.

It is an amenable number.

28136792 is a deficient number, since it is larger than the sum of its proper divisors (26226088).

28136792 is a wasteful number, since it uses less digits than its factorization.

28136792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623 (or 619 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 28136792 is about 5304.4125028131. The cubic root of 28136792 is about 304.1525953666.

It can be divided in two parts, 281 and 36792, that added together give a palindrome (37073).

The spelling of 28136792 in words is "twenty-eight million, one hundred thirty-six thousand, seven hundred ninety-two".