28427834 has 8 divisors (see below), whose sum is σ = 43181760. Its totient is φ = 14033916.

The previous prime is 28427821. The next prime is 28427843. The reversal of 28427834 is 43872482.

It is a happy number.

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

It is an unprimeable number.

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, 89804 + ... + 90119.

It is an arithmetic number, because the mean of its divisors is an integer number (5397720).

Almost surely, 2^28427834 is an apocalyptic number.

28427834 is a deficient number, since it is larger than the sum of its proper divisors (14753926).

28427834 is a wasteful number, since it uses less digits than its factorization.

28427834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180004.

The product of its digits is 86016, while the sum is 38.

The square root of 28427834 is about 5331.7758767600. The cubic root of 28427834 is about 305.1977003641.

The spelling of 28427834 in words is "twenty-eight million, four hundred twenty-seven thousand, eight hundred thirty-four".