28234611 has 6 divisors (see below), whose sum is σ = 40783340. Its totient is φ = 18823068.

The previous prime is 28234601. The next prime is 28234649. The reversal of 28234611 is 11643282.

28234611 is a `hidden beast` number, since 28 + 23 + 4 + 611 = 666.

It is not a de Polignac number, because 28234611 - 2¹⁰ = 28233587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28234601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1568581 + ... + 1568598.

Almost surely, 2^28234611 is an apocalyptic number.

28234611 is a deficient number, since it is larger than the sum of its proper divisors (12548729).

28234611 is a wasteful number, since it uses less digits than its factorization.

28234611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137185 (or 3137182 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 28234611 is about 5313.6250338164. The cubic root of 28234611 is about 304.5046550608.

Adding to 28234611 its reverse (11643282), we get a palindrome (39877893).

The spelling of 28234611 in words is "twenty-eight million, two hundred thirty-four thousand, six hundred eleven".