28385324 has 24 divisors (see below), whose sum is σ = 54528768. Its totient is φ = 12821840.

The previous prime is 28385311. The next prime is 28385347. The reversal of 28385324 is 42358382.

It is a super-3 number, since 3×28385324³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5417 + ... + 9279.

It is an arithmetic number, because the mean of its divisors is an integer number (2272032).

Almost surely, 2^28385324 is an apocalyptic number.

It is an amenable number.

28385324 is a deficient number, since it is larger than the sum of its proper divisors (26143444).

28385324 is a wasteful number, since it uses less digits than its factorization.

28385324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045 (or 4043 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 28385324 is about 5327.7879086916. The cubic root of 28385324 is about 305.0454971096.

The spelling of 28385324 in words is "twenty-eight million, three hundred eighty-five thousand, three hundred twenty-four".