28351834 has 8 divisors (see below), whose sum is σ = 48603168. Its totient is φ = 12150780.

The previous prime is 28351831. The next prime is 28351867. The reversal of 28351834 is 43815382.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28351834.

It is not an unprimeable number, because it can be changed into a prime (28351831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012552 + ... + 1012579.

It is an arithmetic number, because the mean of its divisors is an integer number (6075396).

Almost surely, 2^28351834 is an apocalyptic number.

28351834 is a deficient number, since it is larger than the sum of its proper divisors (20251334).

28351834 is a wasteful number, since it uses less digits than its factorization.

28351834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025140.

The product of its digits is 23040, while the sum is 34.

The square root of 28351834 is about 5324.6440256603. The cubic root of 28351834 is about 304.9254821087.

The spelling of 28351834 in words is "twenty-eight million, three hundred fifty-one thousand, eight hundred thirty-four".