28650783 has 8 divisors (see below), whose sum is σ = 43658368. Its totient is φ = 16371864.

The previous prime is 28650781. The next prime is 28650799. The reversal of 28650783 is 38705682.

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

It is not a de Polignac number, because 28650783 - 2¹ = 28650781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28650781) 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, 682141 + ... + 682182.

It is an arithmetic number, because the mean of its divisors is an integer number (5457296).

Almost surely, 2^28650783 is an apocalyptic number.

28650783 is a deficient number, since it is larger than the sum of its proper divisors (15007585).

28650783 is a wasteful number, since it uses less digits than its factorization.

28650783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364333.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 28650783 is about 5352.6426183709. The cubic root of 28650783 is about 305.9934745928.

The spelling of 28650783 in words is "twenty-eight million, six hundred fifty thousand, seven hundred eighty-three".