28006334 has 8 divisors (see below), whose sum is σ = 42267720. Its totient is φ = 13917096.

The previous prime is 28006333. The next prime is 28006337. The reversal of 28006334 is 43360082.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28006333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42629 + ... + 43280.

It is an arithmetic number, because the mean of its divisors is an integer number (5283465).

Almost surely, 2^28006334 is an apocalyptic number.

28006334 is a deficient number, since it is larger than the sum of its proper divisors (14261386).

28006334 is a wasteful number, since it uses less digits than its factorization.

28006334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86074.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 28006334 is about 5292.1010950283. The cubic root of 28006334 is about 303.6817927881.

The spelling of 28006334 in words is "twenty-eight million, six thousand, three hundred thirty-four".