28000324 has 24 divisors (see below), whose sum is σ = 54468288. Its totient is φ = 12486240.

The previous prime is 28000321. The next prime is 28000337. The reversal of 28000324 is 42300082.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28000321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3672 + ... + 8335.

It is an arithmetic number, because the mean of its divisors is an integer number (2269512).

Almost surely, 2^28000324 is an apocalyptic number.

It is an amenable number.

28000324 is a deficient number, since it is larger than the sum of its proper divisors (26467964).

28000324 is a wasteful number, since it uses less digits than its factorization.

28000324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12075 (or 12073 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 28000324 is about 5291.5332371629. The cubic root of 28000324 is about 303.6600684388.

The spelling of 28000324 in words is "twenty-eight million, three hundred twenty-four", and thus it is an aban number.