28653351 has 16 divisors (see below), whose sum is σ = 39262080. Its totient is φ = 18577440.

The previous prime is 28653323. The next prime is 28653353. The reversal of 28653351 is 15335682.

It is not a de Polignac number, because 28653351 - 2⁷ = 28653223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28653353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49896 + ... + 50466.

It is an arithmetic number, because the mean of its divisors is an integer number (2453880).

Almost surely, 2^28653351 is an apocalyptic number.

28653351 is a deficient number, since it is larger than the sum of its proper divisors (10608729).

28653351 is a wasteful number, since it uses less digits than its factorization.

28653351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006.

The product of its digits is 21600, while the sum is 33.

The square root of 28653351 is about 5352.8824945070. The cubic root of 28653351 is about 306.0026164926.

It can be divided in two parts, 2865 and 3351, that added together give a triangular number (6216 = T₁₁₁).

The spelling of 28653351 in words is "twenty-eight million, six hundred fifty-three thousand, three hundred fifty-one".