28736298 has 48 divisors (see below), whose sum is σ = 64411776. Its totient is φ = 9253440.

The previous prime is 28736263. The next prime is 28736299. The reversal of 28736298 is 89263782.

28736298 is a `hidden beast` number, since 287 + 362 + 9 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (28736299) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105903 + ... + 106173.

It is an arithmetic number, because the mean of its divisors is an integer number (1341912).

Almost surely, 2^28736298 is an apocalyptic number.

28736298 is an abundant number, since it is smaller than the sum of its proper divisors (35675478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28736298 is a wasteful number, since it uses less digits than its factorization.

28736298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 456 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 28736298 is about 5360.6247770199. The cubic root of 28736298 is about 306.2976087029.

It can be divided in two parts, 287 and 36298, that added together give a triangular number (36585 = T₂₇₀).

The spelling of 28736298 in words is "twenty-eight million, seven hundred thirty-six thousand, two hundred ninety-eight".