28259324 has 6 divisors (see below), whose sum is σ = 49453824. Its totient is φ = 14129660.

The previous prime is 28259323. The next prime is 28259339. The reversal of 28259324 is 42395282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28259323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3532412 + ... + 3532419.

It is an arithmetic number, because the mean of its divisors is an integer number (8242304).

Almost surely, 2^28259324 is an apocalyptic number.

It is an amenable number.

28259324 is a deficient number, since it is larger than the sum of its proper divisors (21194500).

28259324 is a wasteful number, since it uses less digits than its factorization.

28259324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7064835 (or 7064833 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 28259324 is about 5315.9499621422. The cubic root of 28259324 is about 304.5934707472.

The spelling of 28259324 in words is "twenty-eight million, two hundred fifty-nine thousand, three hundred twenty-four".