28084701 has 16 divisors (see below), whose sum is σ = 38240384. Its totient is φ = 18330624.

The previous prime is 28084699. The next prime is 28084711. The reversal of 28084701 is 10748082.

It is not a de Polignac number, because 28084701 - 2¹ = 28084699 is a prime.

It is the 5300-th Hogben number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28084711) by changing a digit.

It is a nontrivial repunit in base 5299.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29505 + ... + 30441.

It is an arithmetic number, because the mean of its divisors is an integer number (2390024).

Almost surely, 2^28084701 is an apocalyptic number.

It is an amenable number.

28084701 is a deficient number, since it is larger than the sum of its proper divisors (10155683).

28084701 is a wasteful number, since it uses less digits than its factorization.

28084701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 28084701 is about 5299.5000707614. The cubic root of 28084701 is about 303.9647819601.

The spelling of 28084701 in words is "twenty-eight million, eighty-four thousand, seven hundred one".