28101344 has 12 divisors (see below), whose sum is σ = 55324584. Its totient is φ = 14050656.

The previous prime is 28101343. The next prime is 28101349. The reversal of 28101344 is 44310182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28101343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439052 + ... + 439115.

It is an arithmetic number, because the mean of its divisors is an integer number (4610382).

Almost surely, 2^28101344 is an apocalyptic number.

It is an amenable number.

28101344 is a deficient number, since it is larger than the sum of its proper divisors (27223240).

28101344 is an equidigital number, since it uses as much as digits as its factorization.

28101344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878177 (or 878169 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 28101344 is about 5301.0700806535. The cubic root of 28101344 is about 304.0248133024.

The spelling of 28101344 in words is "twenty-eight million, one hundred one thousand, three hundred forty-four".