28234659 has 4 divisors (see below), whose sum is σ = 37646216. Its totient is φ = 18823104.

The previous prime is 28234649. The next prime is 28234673. The reversal of 28234659 is 95643282.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 28234659 - 2¹² = 28230563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28234649) 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, 4705774 + ... + 4705779.

It is an arithmetic number, because the mean of its divisors is an integer number (9411554).

Almost surely, 2^28234659 is an apocalyptic number.

28234659 is a deficient number, since it is larger than the sum of its proper divisors (9411557).

28234659 is an equidigital number, since it uses as much as digits as its factorization.

28234659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9411556.

The product of its digits is 103680, while the sum is 39.

The square root of 28234659 is about 5313.6295505050. The cubic root of 28234659 is about 304.5048276175.

The spelling of 28234659 in words is "twenty-eight million, two hundred thirty-four thousand, six hundred fifty-nine".