28653298 has 8 divisors (see below), whose sum is σ = 43228908. Its totient is φ = 14243664.

The previous prime is 28653293. The next prime is 28653299. The reversal of 28653298 is 89235682.

It can be written as a sum of positive squares in 2 ways, for example, as 25130169 + 3523129 = 5013^2 + 1877^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×28653298³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (28653293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41061 + ... + 41752.

Almost surely, 2^28653298 is an apocalyptic number.

28653298 is a deficient number, since it is larger than the sum of its proper divisors (14575610).

28653298 is a wasteful number, since it uses less digits than its factorization.

28653298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82988.

The product of its digits is 207360, while the sum is 43.

The square root of 28653298 is about 5352.8775439010. The cubic root of 28653298 is about 306.0024278219.

The spelling of 28653298 in words is "twenty-eight million, six hundred fifty-three thousand, two hundred ninety-eight".