28324838 has 8 divisors (see below), whose sum is σ = 43207560. Its totient is φ = 13922320.

The previous prime is 28324789. The next prime is 28324847. The reversal of 28324838 is 83842382.

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

It is a congruent number.

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, 119903 + ... + 120138.

It is an arithmetic number, because the mean of its divisors is an integer number (5400945).

Almost surely, 2^28324838 is an apocalyptic number.

28324838 is a deficient number, since it is larger than the sum of its proper divisors (14882722).

28324838 is a wasteful number, since it uses less digits than its factorization.

28324838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240102.

The product of its digits is 73728, while the sum is 38.

The square root of 28324838 is about 5322.1084167837. The cubic root of 28324838 is about 304.8286702364.

The spelling of 28324838 in words is "twenty-eight million, three hundred twenty-four thousand, eight hundred thirty-eight".