28578034 has 8 divisors (see below), whose sum is σ = 43026048. Its totient is φ = 14236020.

The previous prime is 28578031. The next prime is 28578047. The reversal of 28578034 is 43087582.

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

It is a junction number, because it is equal to n+sod(n) for n = 28577984 and 28578002.

It is not an unprimeable number, because it can be changed into a prime (28578031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25822 + ... + 26905.

It is an arithmetic number, because the mean of its divisors is an integer number (5378256).

Almost surely, 2^28578034 is an apocalyptic number.

28578034 is a deficient number, since it is larger than the sum of its proper divisors (14448014).

28578034 is a wasteful number, since it uses less digits than its factorization.

28578034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53000.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 28578034 is about 5345.8426838058. The cubic root of 28578034 is about 305.7342660038.

The spelling of 28578034 in words is "twenty-eight million, five hundred seventy-eight thousand, thirty-four".